syncthing/man/syncthing-stignore.5

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.TH "SYNCTHING-STIGNORE" "5" "Mar 31, 2020" "v1" "Syncthing"
.SH NAME
syncthing-stignore \- Prevent files from being synchronized to other nodes
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.SH SYNOPSIS
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.sp
.nf
.ft C
\&.stignore
.ft P
.fi
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.SH DESCRIPTION
.sp
If some files should not be synchronized to (or from) other devices, a file called
\fB\&.stignore\fP can be created containing file patterns to ignore. The
\fB\&.stignore\fP file must be placed in the root of the folder. The
\fB\&.stignore\fP file itself will never be synced to other devices, although it can
\fB#include\fP files that \fIare\fP synchronized between devices. All patterns are
relative to the folder root.
The contents of the \fB\&.stignore\fP file must be UTF\-8 encoded.
.sp
\fBNOTE:\fP
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Note that ignored files can block removal of an otherwise empty directory.
See below for the (?d) prefix to allow deletion of ignored files.
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.SH PATTERNS
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The \fB\&.stignore\fP file contains a list of file or path patterns. The
\fIfirst\fP pattern that matches will decide the fate of a given file.
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Regular file names match themselves, i.e. the pattern \fBfoo\fP matches
the files \fBfoo\fP, \fBsubdir/foo\fP as well as any directory named
\fBfoo\fP\&. Spaces are treated as regular characters.
.IP \(bu 2
Asterisk matches zero or more characters in a filename, but does not
match the directory separator. \fBte*st\fP matches \fBtest\fP,
\fBsubdir/telerest\fP but not \fBtele/rest\fP\&.
.IP \(bu 2
Double asterisk matches as above, but also directory separators.
\fBte**st\fP matches \fBtest\fP, \fBsubdir/telerest\fP and
\fBtele/sub/dir/rest\fP\&.
.IP \(bu 2
Question mark matches a single character that is not the directory
separator. \fBte??st\fP matches \fBtebest\fP but not \fBteb/st\fP or
\fBtest\fP\&.
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Characters enclosed in square brackets \fB[]\fP are interpreted as a character range \fB[a\-z]\fP\&. Before using this syntax you should have a basic understanding of regular expression character classes.
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A pattern beginning with \fB/\fP matches in the current directory only.
\fB/foo\fP matches \fBfoo\fP but not \fBsubdir/foo\fP\&.
.IP \(bu 2
A pattern beginning with \fB#include\fP results in loading patterns
from the named file. It is an error for a file to not exist or be
included more than once. Note that while this can be used to include
patterns from a file in a subdirectory, the patterns themselves are
still relative to the folder \fIroot\fP\&. Example:
\fB#include more\-patterns.txt\fP\&.
.IP \(bu 2
A pattern beginning with a \fB!\fP prefix negates the pattern: matching files
are \fIincluded\fP (that is, \fInot\fP ignored). This can be used to override
more general patterns that follow.
.IP \(bu 2
A pattern beginning with a \fB(?i)\fP prefix enables case\-insensitive pattern
matching. \fB(?i)test\fP matches \fBtest\fP, \fBTEST\fP and \fBtEsT\fP\&. The
\fB(?i)\fP prefix can be combined with other patterns, for example the
pattern \fB(?i)!picture*.png\fP indicates that \fBPicture1.PNG\fP should
be synchronized. On Mac OS and Windows, patterns are always case\-insensitive.
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A pattern beginning with a \fB(?d)\fP prefix enables removal of these files if
they are preventing directory deletion. This prefix should be used by any OS
generated files which you are happy to be removed.
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A line beginning with \fB//\fP is a comment and has no effect.
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Windows does not support escaping \fB\e[foo \- bar\e]\fP\&.
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\fBNOTE:\fP
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Prefixes can be specified in any order (e.g. “(?d)(?i)”), but cannot be in a
single pair of parentheses (not “(?di)”).
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\fBNOTE:\fP
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Include patterns (that begin with \fB!\fP) cause Syncthing to traverse and
watch the entire directory tree regardless of other
ignore patterns.
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.SH EXAMPLE
.sp
Given a directory layout:
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.sp
.nf
.ft C
\&.DS_Store
foo
foofoo
bar/
    baz
    quux
    quuz
bar2/
    baz
    frobble
My Pictures/
    Img15.PNG
.ft P
.fi
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.sp
and an \fB\&.stignore\fP file with the contents:
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.sp
.nf
.ft C
(?d).DS_Store
!frobble
!quuz
foo
*2
qu*
(?i)my pictures
.ft P
.fi
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.sp
all files and directories called “foo”, ending in a “2” or starting with
“qu” will be ignored. The end result becomes:
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.sp
.nf
.ft C
\&.DS_Store     # ignored, will be deleted if gets in the way of parent directory removal
foo           # ignored, matches "foo"
foofoo        # synced, does not match "foo" but would match "foo*" or "*foo"
bar/          # synced
    baz       # synced
    quux      # ignored, matches "qu*"
    quuz      # synced, matches "qu*" but is excluded by the preceding "!quuz"
bar2/         # synced, despite matching "*2" due to child frobble
    baz       # ignored, due to parent being ignored
    frobble   # synced, due to "!frobble"
My Pictures/  # ignored, matched case insensitive "(?i)my pictures" pattern
    Img15.PNG # ignored, due to parent being ignored
.ft P
.fi
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.sp
\fBNOTE:\fP
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Please note that directory patterns ending with a slash
\fBsome/directory/\fP matches the content of the directory, but not the
directory itself. If you want the pattern to match the directory and its
content, make sure it does not have a \fB/\fP at the end of the pattern.
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.SH AUTHOR
The Syncthing Authors
.SH COPYRIGHT
2014-2019, The Syncthing Authors
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