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'accept-non-empty' is similar to 'accept' (which is bound to 'enter' and 'double-click' by default) but it prevents fzf from exiting without any selection. Close #1162
607 lines
18 KiB
Groff
607 lines
18 KiB
Groff
.ig
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The MIT License (MIT)
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Copyright (c) 2017 Junegunn Choi
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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..
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.TH fzf 1 "Oct 2017" "fzf 0.17.1" "fzf - a command-line fuzzy finder"
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.SH NAME
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fzf - a command-line fuzzy finder
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.SH SYNOPSIS
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fzf [options]
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.SH DESCRIPTION
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fzf is a general-purpose command-line fuzzy finder.
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.SH OPTIONS
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.SS Search mode
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.TP
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.B "-x, --extended"
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Extended-search mode. Since 0.10.9, this is enabled by default. You can disable
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it with \fB+x\fR or \fB--no-extended\fR.
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.TP
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.B "-e, --exact"
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Enable exact-match
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.TP
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.B "-i"
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Case-insensitive match (default: smart-case match)
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.TP
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.B "+i"
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Case-sensitive match
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.TP
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.B "--literal"
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Do not normalize latin script letters for matching.
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.TP
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.BI "--algo=" TYPE
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Fuzzy matching algorithm (default: v2)
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.br
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.BR v2 " Optimal scoring algorithm (quality)"
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.br
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.BR v1 " Faster but not guaranteed to find the optimal result (performance)"
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.br
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.TP
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.BI "-n, --nth=" "N[,..]"
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Comma-separated list of field index expressions for limiting search scope.
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See \fBFIELD INDEX EXPRESSION\fR for the details.
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.TP
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.BI "--with-nth=" "N[,..]"
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Transform the presentation of each line using field index expressions
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.TP
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.BI "-d, --delimiter=" "STR"
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Field delimiter regex for \fB--nth\fR and \fB--with-nth\fR (default: AWK-style)
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.SS Search result
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.TP
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.B "+s, --no-sort"
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Do not sort the result
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.TP
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.B "--tac"
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Reverse the order of the input
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.RS
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e.g. \fBhistory | fzf --tac --no-sort\fR
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.RE
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.TP
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.BI "--tiebreak=" "CRI[,..]"
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Comma-separated list of sort criteria to apply when the scores are tied.
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.br
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.br
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.BR length " Prefers line with shorter length"
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.br
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.BR begin " Prefers line with matched substring closer to the beginning"
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.br
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.BR end " Prefers line with matched substring closer to the end"
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.br
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.BR index " Prefers line that appeared earlier in the input stream"
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.br
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.br
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- Each criterion should appear only once in the list
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.br
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- \fBindex\fR is only allowed at the end of the list
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.br
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- \fBindex\fR is implicitly appended to the list when not specified
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.br
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- Default is \fBlength\fR (or equivalently \fBlength\fR,index)
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.br
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- If \fBend\fR is found in the list, fzf will scan each line backwards
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.SS Interface
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.TP
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.B "-m, --multi"
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Enable multi-select with tab/shift-tab
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.TP
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.B "+m, --no-multi"
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Disable multi-select
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.TP
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.B "--no-mouse"
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Disable mouse
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.TP
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.BI "--bind=" "KEYBINDS"
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Comma-separated list of custom key bindings. See \fBKEY BINDINGS\fR for the
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details.
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.TP
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.B "--cycle"
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Enable cyclic scroll
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.TP
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.B "--no-hscroll"
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Disable horizontal scroll
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.TP
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.BI "--hscroll-off=" "COL"
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Number of screen columns to keep to the right of the highlighted substring
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(default: 10). Setting it to a large value will cause the text to be positioned
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on the center of the screen.
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.TP
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.B "--filepath-word"
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Make word-wise movements and actions respect path separators. The following
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actions are affected:
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\fBbackward-kill-word\fR
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.br
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\fBbackward-word\fR
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.br
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\fBforward-word\fR
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.br
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\fBkill-word\fR
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.TP
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.BI "--jump-labels=" "CHARS"
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Label characters for \fBjump\fR and \fBjump-accept\fR
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.SS Layout
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.TP
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.BI "--height=" "HEIGHT[%]"
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Display fzf window below the cursor with the given height instead of using
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the full screen.
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.TP
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.BI "--min-height=" "HEIGHT"
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Minimum height when \fB--height\fR is given in percent (default: 10).
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Ignored when \fB--height\fR is not specified.
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.TP
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.B "--reverse"
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Reverse orientation
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.TP
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.B "--border"
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Draw border above and below the finder
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.TP
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.BI "--margin=" MARGIN
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Comma-separated expression for margins around the finder.
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.br
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.br
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.RS
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.BR TRBL " Same margin for top, right, bottom, and left"
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.br
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.BR TB,RL " Vertical, horizontal margin"
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.br
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.BR T,RL,B " Top, horizontal, bottom margin"
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.br
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.BR T,R,B,L " Top, right, bottom, left margin"
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.br
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.br
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Each part can be given in absolute number or in percentage relative to the
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terminal size with \fB%\fR suffix.
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.br
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.br
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e.g. \fBfzf --margin 10%\fR
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\fBfzf --margin 1,5%\fR
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.RE
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.TP
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.B "--inline-info"
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Display finder info inline with the query
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.TP
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.BI "--prompt=" "STR"
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Input prompt (default: '> ')
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.TP
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.BI "--header=" "STR"
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The given string will be printed as the sticky header. The lines are displayed
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in the given order from top to bottom regardless of \fB--reverse\fR option, and
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are not affected by \fB--with-nth\fR. ANSI color codes are processed even when
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\fB--ansi\fR is not set.
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.TP
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.BI "--header-lines=" "N"
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The first N lines of the input are treated as the sticky header. When
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\fB--with-nth\fR is set, the lines are transformed just like the other
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lines that follow.
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.SS Display
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.TP
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.B "--ansi"
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Enable processing of ANSI color codes
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.TP
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.BI "--tabstop=" SPACES
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Number of spaces for a tab character (default: 8)
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.TP
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.BI "--color=" "[BASE_SCHEME][,COLOR:ANSI]"
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Color configuration. The name of the base color scheme is followed by custom
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color mappings. Ansi color code of -1 denotes terminal default
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foreground/background color. You can also specify 24-bit color in \fB#rrggbb\fR
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format.
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.RS
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e.g. \fBfzf --color=bg+:24\fR
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\fBfzf --color=light,fg:232,bg:255,bg+:116,info:27\fR
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.RE
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.RS
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.B BASE SCHEME:
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(default: dark on 256-color terminal, otherwise 16)
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\fBdark \fRColor scheme for dark 256-color terminal
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\fBlight \fRColor scheme for light 256-color terminal
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\fB16 \fRColor scheme for 16-color terminal
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\fBbw \fRNo colors
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.B COLOR:
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\fBfg \fRText
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\fBbg \fRBackground
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\fBhl \fRHighlighted substrings
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\fBfg+ \fRText (current line)
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\fBbg+ \fRBackground (current line)
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\fBhl+ \fRHighlighted substrings (current line)
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\fBinfo \fRInfo
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\fBborder \fRBorder of the preview window and horizontal separators (\fB--border\fR)
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\fBprompt \fRPrompt
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\fBpointer \fRPointer to the current line
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\fBmarker \fRMulti-select marker
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\fBspinner \fRStreaming input indicator
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\fBheader \fRHeader
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.RE
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.TP
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.B "--no-bold"
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Do not use bold text
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.TP
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.B "--black"
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Use black background
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.SS History
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.TP
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.BI "--history=" "HISTORY_FILE"
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Load search history from the specified file and update the file on completion.
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When enabled, \fBCTRL-N\fR and \fBCTRL-P\fR are automatically remapped to
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\fBnext-history\fR and \fBprevious-history\fR.
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.TP
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.BI "--history-size=" "N"
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Maximum number of entries in the history file (default: 1000). The file is
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automatically truncated when the number of the lines exceeds the value.
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.SS Preview
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.TP
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.BI "--preview=" "COMMAND"
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Execute the given command for the current line and display the result on the
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preview window. \fB{}\fR in the command is the placeholder that is replaced to
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the single-quoted string of the current line. To transform the replacement
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string, specify field index expressions between the braces (See \fBFIELD INDEX
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EXPRESSION\fR for the details).
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.RS
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e.g. \fBfzf --preview='head -$LINES {}'\fR
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\fBls -l | fzf --preview="echo user={3} when={-4..-2}; cat {-1}" --header-lines=1\fR
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fzf overrides \fB$LINES\fR and \fB$COLUMNS\fR so that they represent the exact
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size of the preview window.
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A placeholder expression starting with \fB+\fR flag will be replaced to the
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space-separated list of the selected lines (or the current line if no selection
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was made) individually quoted.
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e.g. \fBfzf --multi --preview='head -10 {+}'\fR
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\fBgit log --oneline | fzf --multi --preview 'git show {+1}'\fR
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Also, \fB{q}\fR is replaced to the current query string.
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Note that you can escape a placeholder pattern by prepending a backslash.
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.RE
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.TP
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.BI "--preview-window=" "[POSITION][:SIZE[%]][:wrap][:hidden]"
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Determine the layout of the preview window. If the argument ends with
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\fB:hidden\fR, the preview window will be hidden by default until
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\fBtoggle-preview\fR action is triggered. Long lines are truncated by default.
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Line wrap can be enabled with \fB:wrap\fR flag.
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If size is given as 0, preview window will not be visible, but fzf will still
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execute the command in the background.
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.RS
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.B POSITION: (default: right)
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\fBup
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\fBdown
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\fBleft
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\fBright
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.RE
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.RS
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e.g. \fBfzf --preview="head {}" --preview-window=up:30%\fR
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\fBfzf --preview="file {}" --preview-window=down:1\fR
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.RE
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.SS Scripting
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.TP
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.BI "-q, --query=" "STR"
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Start the finder with the given query
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.TP
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.B "-1, --select-1"
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Automatically select the only match
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.TP
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.B "-0, --exit-0"
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Exit immediately when there's no match
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.TP
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.BI "-f, --filter=" "STR"
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Filter mode. Do not start interactive finder. When used with \fB--no-sort\fR,
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fzf becomes a fuzzy-version of grep.
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.TP
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.B "--print-query"
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Print query as the first line
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.TP
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.BI "--expect=" "KEY[,..]"
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Comma-separated list of keys that can be used to complete fzf in addition to
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the default enter key. When this option is set, fzf will print the name of the
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key pressed as the first line of its output (or as the second line if
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\fB--print-query\fR is also used). The line will be empty if fzf is completed
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with the default enter key. If \fB--expect\fR option is specified multiple
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times, fzf will expect the union of the keys. \fB--no-expect\fR will clear the
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list.
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.RS
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e.g. \fBfzf --expect=ctrl-v,ctrl-t,alt-s --expect=f1,f2,~,@\fR
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.RE
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.TP
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.B "--read0"
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Read input delimited by ASCII NUL characters instead of newline characters
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.TP
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.B "--print0"
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Print output delimited by ASCII NUL characters instead of newline characters
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.TP
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.B "--no-clear"
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Do not clear finder interface on exit. If fzf was started in full screen mode,
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it will not switch back to the original screen, so you'll have to manually run
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\fBtput rmcup\fR to return. This option can be used to avoid flickering of the
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screen when your application needs to start fzf multiple times in order.
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.TP
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.B "--sync"
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Synchronous search for multi-staged filtering. If specified, fzf will launch
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ncurses finder only after the input stream is complete.
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.RS
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e.g. \fBfzf --multi | fzf --sync\fR
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.RE
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.TP
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.B "--version"
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Display version information and exit
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.TP
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Note that most options have the opposite versions with \fB--no-\fR prefix.
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.SH ENVIRONMENT VARIABLES
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.TP
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.B FZF_DEFAULT_COMMAND
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Default command to use when input is tty
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.TP
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.B FZF_DEFAULT_OPTS
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Default options. e.g. \fBexport FZF_DEFAULT_OPTS="--extended --cycle"\fR
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.SH EXIT STATUS
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.BR 0 " Normal exit"
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.br
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.BR 1 " No match"
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.br
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.BR 2 " Error"
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.br
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.BR 130 " Interrupted with \fBCTRL-C\fR or \fBESC\fR"
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.SH FIELD INDEX EXPRESSION
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A field index expression can be a non-zero integer or a range expression
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([BEGIN]..[END]). \fB--nth\fR and \fB--with-nth\fR take a comma-separated list
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of field index expressions.
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.SS Examples
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.BR 1 " The 1st field"
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.br
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.BR 2 " The 2nd field"
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.br
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.BR -1 " The last field"
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.br
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.BR -2 " The 2nd to last field"
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.br
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.BR 3..5 " From the 3rd field to the 5th field"
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.br
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.BR 2.. " From the 2nd field to the last field"
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.br
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.BR ..-3 " From the 1st field to the 3rd to the last field"
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.br
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.BR .. " All the fields"
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.br
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.SH EXTENDED SEARCH MODE
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Unless specified otherwise, fzf will start in "extended-search mode". In this
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mode, you can specify multiple patterns delimited by spaces, such as: \fB'wild
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^music .mp3$ sbtrkt !rmx\fR
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You can prepend a backslash to a space (\fB\\ \fR) to match a literal space
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character.
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.SS Exact-match (quoted)
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A term that is prefixed by a single-quote character (\fB'\fR) is interpreted as
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an "exact-match" (or "non-fuzzy") term. fzf will search for the exact
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occurrences of the string.
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.SS Anchored-match
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A term can be prefixed by \fB^\fR, or suffixed by \fB$\fR to become an
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anchored-match term. Then fzf will search for the lines that start with or end
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with the given string. An anchored-match term is also an exact-match term.
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.SS Negation
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If a term is prefixed by \fB!\fR, fzf will exclude the lines that satisfy the
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term from the result. In this case, fzf performs exact match by default.
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.SS Exact-match by default
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If you don't prefer fuzzy matching and do not wish to "quote" (prefixing with
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\fB'\fR) every word, start fzf with \fB-e\fR or \fB--exact\fR option. Note that
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when \fB--exact\fR is set, \fB'\fR-prefix "unquotes" the term.
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.SS OR operator
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A single bar character term acts as an OR operator. For example, the following
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query matches entries that start with \fBcore\fR and end with either \fBgo\fR,
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\fBrb\fR, or \fBpy\fR.
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e.g. \fB^core go$ | rb$ | py$\fR
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.SH KEY BINDINGS
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You can customize key bindings of fzf with \fB--bind\fR option which takes
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a comma-separated list of key binding expressions. Each key binding expression
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follows the following format: \fBKEY:ACTION\fR
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e.g. \fBfzf --bind=ctrl-j:accept,ctrl-k:kill-line\fR
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.B AVAILABLE KEYS: (SYNONYMS)
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\fIctrl-[a-z]\fR
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\fIctrl-space\fR
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\fIctrl-alt-[a-z]\fR
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\fIalt-[a-z]\fR
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\fIalt-[0-9]\fR
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\fIf[1-12]\fR
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\fIenter\fR (\fIreturn\fR \fIctrl-m\fR)
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\fIspace\fR
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\fIbspace\fR (\fIbs\fR)
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\fIalt-enter\fR
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\fIalt-space\fR
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\fIalt-bspace\fR (\fIalt-bs\fR)
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\fIalt-/\fR
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\fItab\fR
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\fIbtab\fR (\fIshift-tab\fR)
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\fIesc\fR
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\fIdel\fR
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\fIup\fR
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\fIdown\fR
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\fIleft\fR
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\fIright\fR
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\fIhome\fR
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\fIend\fR
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\fIpgup\fR (\fIpage-up\fR)
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\fIpgdn\fR (\fIpage-down\fR)
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\fIshift-left\fR
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\fIshift-right\fR
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\fIleft-click\fR
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\fIright-click\fR
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\fIdouble-click\fR
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or any single character
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Additionally, a special event named \fIchange\fR is available which is
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triggered whenever the query string is changed.
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e.g. \fBfzf --bind change:top\fR
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\fBACTION: DEFAULT BINDINGS (NOTES):
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\fBabort\fR \fIctrl-c ctrl-g ctrl-q esc\fR
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\fBaccept\fR \fIenter double-click\fR
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\fBaccept-non-empty\fR (same as \fBaccept\fR except that it prevents fzf from exiting without selection)
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\fBbackward-char\fR \fIctrl-b left\fR
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\fBbackward-delete-char\fR \fIctrl-h bspace\fR
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\fBbackward-kill-word\fR \fIalt-bs\fR
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\fBbackward-word\fR \fIalt-b shift-left\fR
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\fBbeginning-of-line\fR \fIctrl-a home\fR
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\fBcancel\fR (clears query string if not empty, aborts fzf otherwise)
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\fBclear-screen\fR \fIctrl-l\fR
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\fBdelete-char\fR \fIdel\fR
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\fBdelete-char/eof\fR \fIctrl-d\fR
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|
\fBdeselect-all\fR
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\fBdown\fR \fIctrl-j ctrl-n down\fR
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|
\fBend-of-line\fR \fIctrl-e end\fR
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|
\fBexecute(...)\fR (see below for the details)
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|
\fBexecute-silent(...)\fR (see below for the details)
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\fRexecute-multi(...)\fR (deprecated in favor of \fB{+}\fR expression)
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\fBforward-char\fR \fIctrl-f right\fR
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|
\fBforward-word\fR \fIalt-f shift-right\fR
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|
\fBignore\fR
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\fBjump\fR (EasyMotion-like 2-keystroke movement)
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\fBjump-accept\fR (jump and accept)
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|
\fBkill-line\fR
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\fBkill-word\fR \fIalt-d\fR
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|
\fBnext-history\fR (\fIctrl-n\fR on \fB--history\fR)
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|
\fBpage-down\fR \fIpgdn\fR
|
|
\fBpage-up\fR \fIpgup\fR
|
|
\fBhalf-page-down\fR
|
|
\fBhalf-page-up\fR
|
|
\fBpreview-down\fR
|
|
\fBpreview-up\fR
|
|
\fBpreview-page-down\fR
|
|
\fBpreview-page-up\fR
|
|
\fBprevious-history\fR (\fIctrl-p\fR on \fB--history\fR)
|
|
\fBprint-query\fR (print query and exit)
|
|
\fBreplace-query\fR (replace query string with the current selection)
|
|
\fBselect-all\fR
|
|
\fBtoggle\fR (\fIright-click\fR)
|
|
\fBtoggle-all\fR
|
|
\fBtoggle+down\fR \fIctrl-i (tab)\fR
|
|
\fBtoggle-in\fR (\fB--reverse\fR ? \fBtoggle+up\fR : \fBtoggle+down\fR)
|
|
\fBtoggle-out\fR (\fB--reverse\fR ? \fBtoggle+down\fR : \fBtoggle+up\fR)
|
|
\fBtoggle-preview\fR
|
|
\fBtoggle-preview-wrap\fR
|
|
\fBtoggle-sort\fR
|
|
\fBtoggle+up\fR \fIbtab (shift-tab)\fR
|
|
\fBtop\fR (move to the top result)
|
|
\fBunix-line-discard\fR \fIctrl-u\fR
|
|
\fBunix-word-rubout\fR \fIctrl-w\fR
|
|
\fBup\fR \fIctrl-k ctrl-p up\fR
|
|
\fByank\fR \fIctrl-y\fR
|
|
|
|
Multiple actions can be chained using \fB+\fR separator.
|
|
|
|
\fBfzf --bind 'ctrl-a:select-all+accept'\fR
|
|
|
|
With \fBexecute(...)\fR action, you can execute arbitrary commands without
|
|
leaving fzf. For example, you can turn fzf into a simple file browser by
|
|
binding \fBenter\fR key to \fBless\fR command like follows.
|
|
|
|
\fBfzf --bind "enter:execute(less {})"\fR
|
|
|
|
You can use the same placeholder expressions as in \fB--preview\fR.
|
|
|
|
If the command contains parentheses, fzf may fail to parse the expression. In
|
|
that case, you can use any of the following alternative notations to avoid
|
|
parse errors.
|
|
|
|
\fBexecute[...]\fR
|
|
\fBexecute~...~\fR
|
|
\fBexecute!...!\fR
|
|
\fBexecute@...@\fR
|
|
\fBexecute#...#\fR
|
|
\fBexecute$...$\fR
|
|
\fBexecute%...%\fR
|
|
\fBexecute^...^\fR
|
|
\fBexecute&...&\fR
|
|
\fBexecute*...*\fR
|
|
\fBexecute;...;\fR
|
|
\fBexecute/.../\fR
|
|
\fBexecute|...|\fR
|
|
\fBexecute:...\fR
|
|
.RS
|
|
This is the special form that frees you from parse errors as it does not expect
|
|
the closing character. The catch is that it should be the last one in the
|
|
comma-separated list of key-action pairs.
|
|
.RE
|
|
|
|
fzf switches to the alternate screen when executing a command. However, if the
|
|
command is expected to complete quickly, and you are not interested in its
|
|
output, you might want to use \fBexecute-silent\fR instead, which silently
|
|
executes the command without the switching. Note that fzf will not be
|
|
responsible until the command is complete. For asynchronous execution, start
|
|
your command as a background process (i.e. appending \fB&\fR).
|
|
|
|
.SH AUTHOR
|
|
Junegunn Choi (\fIjunegunn.c@gmail.com\fR)
|
|
|
|
.SH SEE ALSO
|
|
.B Project homepage:
|
|
.RS
|
|
.I https://github.com/junegunn/fzf
|
|
.RE
|
|
.br
|
|
|
|
.br
|
|
.B Extra Vim plugin:
|
|
.RS
|
|
.I https://github.com/junegunn/fzf.vim
|
|
.RE
|
|
|
|
.SH LICENSE
|
|
MIT
|