fzf/man/man1/fzf.1

.ig
The MIT License (MIT)

Copyright (c) 2017 Junegunn Choi

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
..
.TH fzf 1 "Jan 2017" "fzf 0.16.0" "fzf - a command-line fuzzy finder"

.SH NAME
fzf - a command-line fuzzy finder

.SH SYNOPSIS
fzf [options]

.SH DESCRIPTION
fzf is a general-purpose command-line fuzzy finder.

.SH OPTIONS
.SS Search mode
.TP
.B "-x, --extended"
Extended-search mode. Since 0.10.9, this is enabled by default. You can disable
it with \fB+x\fR or \fB--no-extended\fR.
.TP
.B "-e, --exact"
Enable exact-match
.TP
.B "-i"
Case-insensitive match (default: smart-case match)
.TP
.B "+i"
Case-sensitive match
.TP
.B "--normalize"
Normalize latin script letters before matching. This is not enabled by default
to avoid performance overhead.
.TP
.BI "--algo=" TYPE
Fuzzy matching algorithm (default: v2)

.br
.BR v2 "     Optimal scoring algorithm (quality)"
.br
.BR v1 "     Faster but not guaranteed to find the optimal result (performance)"
.br

.TP
.BI "-n, --nth=" "N[,..]"
Comma-separated list of field index expressions for limiting search scope.
See \fBFIELD INDEX EXPRESSION\fR for the details.
.TP
.BI "--with-nth=" "N[,..]"
Transform the presentation of each line using field index expressions
.TP
.BI "-d, --delimiter=" "STR"
Field delimiter regex for \fB--nth\fR and \fB--with-nth\fR (default: AWK-style)
.SS Search result
.TP
.B "+s, --no-sort"
Do not sort the result
.TP
.B "--tac"
Reverse the order of the input

.RS
e.g. \fBhistory | fzf --tac --no-sort\fR
.RE
.TP
.BI "--tiebreak=" "CRI[,..]"
Comma-separated list of sort criteria to apply when the scores are tied.
.br

.br
.BR length "  Prefers line with shorter length"
.br
.BR begin "   Prefers line with matched substring closer to the beginning"
.br
.BR end "     Prefers line with matched substring closer to the end"
.br
.BR index "   Prefers line that appeared earlier in the input stream"
.br

.br
- Each criterion should appear only once in the list
.br
- \fBindex\fR is only allowed at the end of the list
.br
- \fBindex\fR is implicitly appended to the list when not specified
.br
- Default is \fBlength\fR (or equivalently \fBlength\fR,index)
.br
- If \fBend\fR is found in the list, fzf will scan each line backwards
.SS Interface
.TP
.B "-m, --multi"
Enable multi-select with tab/shift-tab
.TP
.B "--no-mouse"
Disable mouse
.TP
.BI "--bind=" "KEYBINDS"
Comma-separated list of custom key bindings. See \fBKEY BINDINGS\fR for the
details.
.TP
.B "--cycle"
Enable cyclic scroll
.TP
.B "--no-hscroll"
Disable horizontal scroll
.TP
.BI "--hscroll-off=" "COL"
Number of screen columns to keep to the right of the highlighted substring
(default: 10). Setting it to a large value will cause the text to be positioned
on the center of the screen.
.TP
.BI "--jump-labels=" "CHARS"
Label characters for \fBjump\fR and \fBjump-accept\fR
.SS Layout
.TP
.BI "--height=" "HEIGHT[%]"
Display fzf window below the cursor with the given height instead of using
fullscreen.
.TP
.BI "--min-height=" "HEIGHT"
Minimum height when \fB--height\fR is given in percent (default: 10).
Ignored when \fB--height\fR is not specified.
.TP
.B "--reverse"
Reverse orientation
.TP
.BI "--margin=" MARGIN
Comma-separated expression for margins around the finder.
.br

.br
.RS
.BR TRBL "     Same margin for top, right, bottom, and left"
.br
.BR TB,RL "    Vertical, horizontal margin"
.br
.BR T,RL,B "   Top, horizontal, bottom margin"
.br
.BR T,R,B,L "  Top, right, bottom, left margin"
.br

.br
Each part can be given in absolute number or in percentage relative to the
terminal size with \fB%\fR suffix.
.br

.br
e.g. \fBfzf --margin 10%\fR
     \fBfzf --margin 1,5%\fR
.RE
.TP
.B "--inline-info"
Display finder info inline with the query
.TP
.BI "--prompt=" "STR"
Input prompt (default: '> ')
.TP
.BI "--header=" "STR"
The given string will be printed as the sticky header. The lines are displayed
in the given order from top to bottom regardless of \fB--reverse\fR option, and
are not affected by \fB--with-nth\fR. ANSI color codes are processed even when
\fB--ansi\fR is not set.
.TP
.BI "--header-lines=" "N"
The first N lines of the input are treated as the sticky header. When
\fB--with-nth\fR is set, the lines are transformed just like the other
lines that follow.
.SS Display
.TP
.B "--ansi"
Enable processing of ANSI color codes
.TP
.BI "--tabstop=" SPACES
Number of spaces for a tab character (default: 8)
.TP
.BI "--color=" "[BASE_SCHEME][,COLOR:ANSI]"
Color configuration. The name of the base color scheme is followed by custom
color mappings. Ansi color code of -1 denotes terminal default
foreground/background color. You can also specify 24-bit color in \fB#rrggbb\fR
format, but the support for 24-bit colors is experimental and only works when
\fB--height\fR option is used.

.RS
e.g. \fBfzf --color=bg+:24\fR
     \fBfzf --color=light,fg:232,bg:255,bg+:116,info:27\fR
.RE

.RS
.B BASE SCHEME:
    (default: dark on 256-color terminal, otherwise 16)

    \fBdark    \fRColor scheme for dark 256-color terminal
    \fBlight   \fRColor scheme for light 256-color terminal
    \fB16      \fRColor scheme for 16-color terminal
    \fBbw      \fRNo colors

.B COLOR:
    \fBfg      \fRText
    \fBbg      \fRBackground
    \fBhl      \fRHighlighted substrings
    \fBfg+     \fRText (current line)
    \fBbg+     \fRBackground (current line)
    \fBhl+     \fRHighlighted substrings (current line)
    \fBinfo    \fRInfo
    \fBprompt  \fRPrompt
    \fBpointer \fRPointer to the current line
    \fBmarker  \fRMulti-select marker
    \fBspinner \fRStreaming input indicator
    \fBheader  \fRHeader
.RE
.TP
.B "--no-bold"
Do not use bold text
.TP
.B "--black"
Use black background
.SS History
.TP
.BI "--history=" "HISTORY_FILE"
Load search history from the specified file and update the file on completion.
When enabled, \fBCTRL-N\fR and \fBCTRL-P\fR are automatically remapped to
\fBnext-history\fR and \fBprevious-history\fR.
.TP
.BI "--history-size=" "N"
Maximum number of entries in the history file (default: 1000). The file is
automatically truncated when the number of the lines exceeds the value.
.SS Preview
.TP
.BI "--preview=" "COMMAND"
Execute the given command for the current line and display the result on the
preview window. \fB{}\fR in the command is the placeholder that is replaced to
the single-quoted string of the current line. To transform the replacement
string, specify field index expressions between the braces (See \fBFIELD INDEX
EXPRESSION\fR for the details). Also, \fB{q}\fR is replaced to the current
query string.

.RS
e.g. \fBfzf --preview="head -$LINES {}"\fR
     \fBls -l | fzf --preview="echo user={3} when={-4..-2}; cat {-1}" --header-lines=1\fR

Note that you can escape a placeholder pattern by prepending a backslash.
.RE
.TP
.BI "--preview-window=" "[POSITION][:SIZE[%]][:wrap][:hidden]"
Determine the layout of the preview window. If the argument ends with
\fB:hidden\fR, the preview window will be hidden by default until
\fBtoggle-preview\fR action is triggered. Long lines are truncated by default.
Line wrap can be enabled with \fB:wrap\fR flag.

.RS
.B POSITION: (default: right)
    \fBup
    \fBdown
    \fBleft
    \fBright
.RE

.RS
e.g. \fBfzf --preview="head {}" --preview-window=up:30%\fR
     \fBfzf --preview="file {}" --preview-window=down:1\fR
.RE
.SS Scripting
.TP
.BI "-q, --query=" "STR"
Start the finder with the given query
.TP
.B "-1, --select-1"
Automatically select the only match
.TP
.B "-0, --exit-0"
Exit immediately when there's no match
.TP
.BI "-f, --filter=" "STR"
Filter mode. Do not start interactive finder. When used with \fB--no-sort\fR,
fzf becomes a fuzzy-version of grep.
.TP
.B "--print-query"
Print query as the first line
.TP
.BI "--expect=" "KEY[,..]"
Comma-separated list of keys that can be used to complete fzf in addition to
the default enter key. When this option is set, fzf will print the name of the
key pressed as the first line of its output (or as the second line if
\fB--print-query\fR is also used). The line will be empty if fzf is completed
with the default enter key.

.RS
e.g. \fBfzf --expect=ctrl-v,ctrl-t,alt-s,f1,f2,~,@\fR
.RE
.TP
.B "--read0"
Read input delimited by ASCII NUL character instead of newline character
.TP
.B "--print0"
Print output delimited by ASCII NUL character instead of newline character
.TP
.B "--sync"
Synchronous search for multi-staged filtering. If specified, fzf will launch
ncurses finder only after the input stream is complete.

.RS
e.g. \fBfzf --multi | fzf --sync\fR
.RE

.SH ENVIRONMENT VARIABLES
.TP
.B FZF_DEFAULT_COMMAND
Default command to use when input is tty
.TP
.B FZF_DEFAULT_OPTS
Default options. e.g. \fBexport FZF_DEFAULT_OPTS="--extended --cycle"\fR

.SH EXIT STATUS
.BR 0 "      Normal exit"
.br
.BR 1 "      No match"
.br
.BR 2 "      Error"
.br
.BR 130 "    Interrupted with \fBCTRL-C\fR or \fBESC\fR"

.SH FIELD INDEX EXPRESSION

A field index expression can be a non-zero integer or a range expression
([BEGIN]..[END]). \fB--nth\fR and \fB--with-nth\fR take a comma-separated list
of field index expressions.

.SS Examples
.BR 1 "      The 1st field"
.br
.BR 2 "      The 2nd field"
.br
.BR -1 "     The last field"
.br
.BR -2 "     The 2nd to last field"
.br
.BR 3..5 "   From the 3rd field to the 5th field"
.br
.BR 2.. "    From the 2nd field to the last field"
.br
.BR ..-3 "   From the 1st field to the 3rd to the last field"
.br
.BR .. "     All the fields"
.br

.SH EXTENDED SEARCH MODE

Unless specified otherwise, fzf will start in "extended-search mode". In this
mode, you can specify multiple patterns delimited by spaces, such as: \fB'wild
^music .mp3$ sbtrkt !rmx\fR

.SS Exact-match (quoted)
A term that is prefixed by a single-quote character (\fB'\fR) is interpreted as
an "exact-match" (or "non-fuzzy") term. fzf will search for the exact
occurrences of the string.

.SS Anchored-match
A term can be prefixed by \fB^\fR, or suffixed by \fB$\fR to become an
anchored-match term. Then fzf will search for the lines that start with or end
with the given string. An anchored-match term is also an exact-match term.

.SS Negation
If a term is prefixed by \fB!\fR, fzf will exclude the lines that satisfy the
term from the result. In this case, fzf performs exact match by default.

.SS Exact-match by default
If you don't prefer fuzzy matching and do not wish to "quote" (prefixing with
\fB'\fR) every word, start fzf with \fB-e\fR or \fB--exact\fR option. Note that
when \fB--exact\fR is set, \fB'\fR-prefix "unquotes" the term.

.SS OR operator
A single bar character term acts as an OR operator. For example, the following
query matches entries that start with \fBcore\fR and end with either \fBgo\fR,
\fBrb\fR, or \fBpy\fR.

e.g. \fB^core go$ | rb$ | py$\fR

.SH KEY BINDINGS
You can customize key bindings of fzf with \fB--bind\fR option which takes
a comma-separated list of key binding expressions. Each key binding expression
follows the following format: \fBKEY:ACTION\fR

e.g. \fBfzf --bind=ctrl-j:accept,ctrl-k:kill-line\fR

.B AVAILABLE KEYS:    (SYNONYMS)
    \fIctrl-[a-z]\fR
    \fIalt-[a-z]\fR
    \fIalt-[0-9]\fR
    \fIf[1-12]\fR
    \fIenter\fR       (\fIreturn\fR \fIctrl-m\fR)
    \fIspace\fR
    \fIbspace\fR      (\fIbs\fR)
    \fIalt-enter\fR
    \fIalt-space\fR
    \fIalt-bspace\fR  (\fIalt-bs\fR)
    \fIalt-/\fR
    \fItab\fR
    \fIbtab\fR        (\fIshift-tab\fR)
    \fIesc\fR
    \fIdel\fR
    \fIup\fR
    \fIdown\fR
    \fIleft\fR
    \fIright\fR
    \fIhome\fR
    \fIend\fR
    \fIpgup\fR        (\fIpage-up\fR)
    \fIpgdn\fR        (\fIpage-down\fR)
    \fIshift-left\fR
    \fIshift-right\fR
    \fIdouble-click\fR
    or any single character

  \fBACTION:               DEFAULT BINDINGS (NOTES):
    \fBabort\fR                 \fIctrl-c  ctrl-g  ctrl-q  esc\fR
    \fBaccept\fR                \fIenter   double-click\fR
    \fBbackward-char\fR         \fIctrl-b  left\fR
    \fBbackward-delete-char\fR  \fIctrl-h  bspace\fR
    \fBbackward-kill-word\fR    \fIalt-bs\fR
    \fBbackward-word\fR         \fIalt-b   shift-left\fR
    \fBbeginning-of-line\fR     \fIctrl-a  home\fR
    \fBcancel\fR
    \fBclear-screen\fR          \fIctrl-l\fR
    \fBdelete-char\fR           \fIdel\fR
    \fBdelete-char/eof\fR       \fIctrl-d\fR
    \fBdeselect-all\fR
    \fBdown\fR                  \fIctrl-j  ctrl-n  down\fR
    \fBend-of-line\fR           \fIctrl-e  end\fR
    \fBexecute(...)\fR          (see below for the details)
    \fBexecute-multi(...)\fR    (see below for the details)
    \fBforward-char\fR          \fIctrl-f  right\fR
    \fBforward-word\fR          \fIalt-f   shift-right\fR
    \fBignore\fR
    \fBjump\fR                  (EasyMotion-like 2-keystroke movement)
    \fBjump-accept\fR           (jump and accept)
    \fBkill-line\fR
    \fBkill-word\fR             \fIalt-d\fR
    \fBnext-history\fR          (\fIctrl-n\fR on \fB--history\fR)
    \fBpage-down\fR             \fIpgdn\fR
    \fBpage-up\fR               \fIpgup\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)
    \fBselect-all\fR
    \fBtoggle\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-sort\fR           (equivalent to \fB--toggle-sort\fR)
    \fBtoggle-up\fR             \fIbtab    (shift-tab)\fR
    \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

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

\fBexecute-multi(...)\fR is an alternative action that executes the command
with the selected entries when multi-select is enabled (\fB--multi\fR). With
this action, \fB{}\fR is replaced with the quoted strings of the selected
entries separated by spaces.

.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