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735 <body class=
"manpage">
738 git-grep(
1) Manual Page
741 <div class=
"sectionbody">
743 Print lines matching a pattern
749 <h2 id=
"_synopsis">SYNOPSIS
</h2>
750 <div class=
"sectionbody">
751 <div class=
"verseblock">
752 <pre class=
"content"><em>git grep
</em> [-a | --text] [-I] [--textconv] [-i | --ignore-case] [-w | --word-regexp]
753 [-v | --invert-match] [-h|-H] [--full-name]
754 [-E | --extended-regexp] [-G | --basic-regexp]
756 [-F | --fixed-strings] [-n | --line-number] [--column]
757 [-l | --files-with-matches] [-L | --files-without-match]
758 [(-O | --open-files-in-pager) [
<pager
>]]
760 [ -o | --only-matching ] [-c | --count] [--all-match] [-q | --quiet]
761 [--max-depth
<depth
>] [--[no-]recursive]
762 [--color[=
<when
>] | --no-color]
763 [--break] [--heading] [-p | --show-function]
764 [-A
<post-context
>] [-B
<pre-context
>] [-C
<context
>]
765 [-W | --function-context]
766 [(-m | --max-count)
<num
>]
767 [--threads
<num
>]
768 [-f
<file
>] [-e]
<pattern
>
769 [--and|--or|--not|(|)|-e
<pattern
>…]
770 [--recurse-submodules] [--parent-basename
<basename
>]
771 [ [--[no-]exclude-standard] [--cached | --no-index | --untracked] |
<tree
>…]
772 [--] [
<pathspec
>…]
</pre>
773 <div class=
"attribution">
778 <h2 id=
"_description">DESCRIPTION
</h2>
779 <div class=
"sectionbody">
780 <div class=
"paragraph"><p>Look for specified patterns in the tracked files in the work tree, blobs
781 registered in the index file, or blobs in given tree objects. Patterns
782 are lists of one or more search expressions separated by newline
783 characters. An empty string as search expression matches all lines.
</p></div>
787 <h2 id=
"_options">OPTIONS
</h2>
788 <div class=
"sectionbody">
789 <div class=
"dlist"><dl>
795 Instead of searching tracked files in the working tree, search
796 blobs registered in the index file.
804 Search files in the current directory that is not managed by Git.
812 In addition to searching in the tracked files in the working
813 tree, search also in untracked files.
817 --no-exclude-standard
821 Also search in ignored files by not honoring the
<code>.gitignore
</code>
822 mechanism. Only useful with
<code>--untracked
</code>.
830 Do not pay attention to ignored files specified via the
<code>.gitignore
</code>
831 mechanism. Only useful when searching files in the current directory
832 with
<code>--no-index
</code>.
840 Recursively search in each submodule that is active and
841 checked out in the repository. When used in combination with the
842 <tree
> option the prefix of all submodule output will be the name of
843 the parent project
’s
<tree
> object. This option has no effect
844 if
<code>--no-index
</code> is given.
855 Process binary files as if they were text.
863 Honor textconv filter settings.
871 Do not honor textconv filter settings.
883 Ignore case differences between the patterns and the
892 Don
’t match the pattern in binary files.
896 --max-depth
<depth
>
900 For each
<pathspec
> given on command line, descend at most
<depth
>
901 levels of directories. A value of -
1 means no limit.
902 This option is ignored if
<pathspec
> contains active wildcards.
903 In other words if
"a*" matches a directory named
"a*",
904 "*" is matched literally so --max-depth is still effective.
915 Same as
<code>--max-depth=-
1</code>; this is the default.
923 Same as
<code>--max-depth=
0</code>.
934 Match the pattern only at word boundary (either begin at the
935 beginning of a line, or preceded by a non-word character; end at
936 the end of a line or followed by a non-word character).
947 Select non-matching lines.
958 By default, the command shows the filename for each
959 match.
<code>-h
</code> option is used to suppress this output.
960 <code>-H
</code> is there for completeness and does not do anything
961 except it overrides
<code>-h
</code> given earlier on the command
970 When run from a subdirectory, the command usually
971 outputs paths relative to the current directory. This
972 option forces paths to be output relative to the project
990 Use POSIX extended/basic regexp for patterns. Default
991 is to use basic regexp.
1002 Use Perl-compatible regular expressions for patterns.
1004 <div class=
"paragraph"><p>Support for these types of regular expressions is an optional
1005 compile-time dependency. If Git wasn
’t compiled with support for them
1006 providing this option will cause it to die.
</p></div>
1008 <dt class=
"hdlist1">
1011 <dt class=
"hdlist1">
1016 Use fixed strings for patterns (don
’t interpret pattern
1020 <dt class=
"hdlist1">
1023 <dt class=
"hdlist1">
1028 Prefix the line number to matching lines.
1031 <dt class=
"hdlist1">
1036 Prefix the
1-indexed byte-offset of the first match from the start of the
1040 <dt class=
"hdlist1">
1043 <dt class=
"hdlist1">
1044 --files-with-matches
1046 <dt class=
"hdlist1">
1049 <dt class=
"hdlist1">
1052 <dt class=
"hdlist1">
1053 --files-without-match
1057 Instead of showing every matched line, show only the
1058 names of files that contain (or do not contain) matches.
1059 For better compatibility with
<em>git diff
</em>,
<code>--name-only
</code> is a
1060 synonym for
<code>--files-with-matches
</code>.
1063 <dt class=
"hdlist1">
1066 <dt class=
"hdlist1">
1067 --open-files-in-pager[=
<pager
>]
1071 Open the matching files in the pager (not the output of
<em>grep
</em>).
1072 If the pager happens to be
"less" or
"vi", and the user
1073 specified only one pattern, the first file is positioned at
1074 the first match automatically. The
<code>pager
</code> argument is
1075 optional; if specified, it must be stuck to the option
1076 without a space. If
<code>pager
</code> is unspecified, the default pager
1077 will be used (see
<code>core.pager
</code> in
<a href=
"git-config.html">git-config(
1)
</a>).
1080 <dt class=
"hdlist1">
1083 <dt class=
"hdlist1">
1088 Use \
0 as the delimiter for pathnames in the output, and print
1089 them verbatim. Without this option, pathnames with
"unusual"
1090 characters are quoted as explained for the configuration
1091 variable core.quotePath (see
<a href=
"git-config.html">git-config(
1)
</a>).
1094 <dt class=
"hdlist1">
1097 <dt class=
"hdlist1">
1102 Print only the matched (non-empty) parts of a matching line, with each such
1103 part on a separate output line.
1106 <dt class=
"hdlist1">
1109 <dt class=
"hdlist1">
1114 Instead of showing every matched line, show the number of
1118 <dt class=
"hdlist1">
1119 --color[=
<when
>]
1123 Show colored matches.
1124 The value must be always (the default), never, or auto.
1127 <dt class=
"hdlist1">
1132 Turn off match highlighting, even when the configuration file
1133 gives the default to color output.
1134 Same as
<code>--color=never
</code>.
1137 <dt class=
"hdlist1">
1142 Print an empty line between matches from different files.
1145 <dt class=
"hdlist1">
1150 Show the filename above the matches in that file instead of
1151 at the start of each shown line.
1154 <dt class=
"hdlist1">
1157 <dt class=
"hdlist1">
1162 Show the preceding line that contains the function name of
1163 the match, unless the matching line is a function name itself.
1164 The name is determined in the same way as
<code>git diff
</code> works out
1165 patch hunk headers (see
<em>Defining a custom hunk-header
</em> in
1166 <a href=
"gitattributes.html">gitattributes(
5)
</a>).
1169 <dt class=
"hdlist1">
1172 <dt class=
"hdlist1">
1175 <dt class=
"hdlist1">
1176 --context
<num
>
1180 Show
<num
> leading and trailing lines, and place a line
1181 containing
<code>--
</code> between contiguous groups of matches.
1184 <dt class=
"hdlist1">
1187 <dt class=
"hdlist1">
1188 --after-context
<num
>
1192 Show
<num
> trailing lines, and place a line containing
1193 <code>--
</code> between contiguous groups of matches.
1196 <dt class=
"hdlist1">
1199 <dt class=
"hdlist1">
1200 --before-context
<num
>
1204 Show
<num
> leading lines, and place a line containing
1205 <code>--
</code> between contiguous groups of matches.
1208 <dt class=
"hdlist1">
1211 <dt class=
"hdlist1">
1216 Show the surrounding text from the previous line containing a
1217 function name up to the one before the next function name,
1218 effectively showing the whole function in which the match was
1219 found. The function names are determined in the same way as
1220 <code>git diff
</code> works out patch hunk headers (see
<em>Defining a
1221 custom hunk-header
</em> in
<a href=
"gitattributes.html">gitattributes(
5)
</a>).
1224 <dt class=
"hdlist1">
1227 <dt class=
"hdlist1">
1228 --max-count
<num
>
1232 Limit the amount of matches per file. When using the
<code>-v
</code> or
1233 <code>--invert-match
</code> option, the search stops after the specified
1234 number of non-matches. A value of -
1 will return unlimited
1235 results (the default). A value of
0 will exit immediately with
1239 <dt class=
"hdlist1">
1240 --threads
<num
>
1244 Number of grep worker threads to use.
1245 See
<code>grep.threads
</code> in
<em>CONFIGURATION
</em> for more information.
1248 <dt class=
"hdlist1">
1253 Read patterns from
<file
>, one per line.
1255 <div class=
"paragraph"><p>Passing the pattern via
<file
> allows for providing a search pattern
1256 containing a \
0.
</p></div>
1257 <div class=
"paragraph"><p>Not all pattern types support patterns containing \
0. Git will error
1258 out if a given pattern type can
’t support such a pattern. The
1259 <code>--perl-regexp
</code> pattern type when compiled against the PCRE v2 backend
1260 has the widest support for these types of patterns.
</p></div>
1261 <div class=
"paragraph"><p>In versions of Git before
2.23.0 patterns containing \
0 would be
1262 silently considered fixed. This was never documented, there were also
1263 odd and undocumented interactions between e.g. non-ASCII patterns
1264 containing \
0 and
<code>--ignore-case
</code>.
</p></div>
1265 <div class=
"paragraph"><p>In future versions we may learn to support patterns containing \
0 for
1266 more search backends, until then we
’ll die when the pattern type in
1267 question doesn
’t support them.
</p></div>
1269 <dt class=
"hdlist1">
1274 The next parameter is the pattern. This option has to be
1275 used for patterns starting with
<code>-
</code> and should be used in
1276 scripts passing user input to grep. Multiple patterns are
1277 combined by
<em>or
</em>.
1280 <dt class=
"hdlist1">
1283 <dt class=
"hdlist1">
1286 <dt class=
"hdlist1">
1289 <dt class=
"hdlist1">
1294 Specify how multiple patterns are combined using Boolean
1295 expressions.
<code>--or
</code> is the default operator.
<code>--and
</code> has
1296 higher precedence than
<code>--or
</code>.
<code>-e
</code> has to be used for all
1300 <dt class=
"hdlist1">
1305 When giving multiple pattern expressions combined with
<code>--or
</code>,
1306 this flag is specified to limit the match to files that
1307 have lines to match all of them.
1310 <dt class=
"hdlist1">
1313 <dt class=
"hdlist1">
1318 Do not output matched lines; instead, exit with status
0 when
1319 there is a match and with non-zero status when there isn
’t.
1322 <dt class=
"hdlist1">
1327 Instead of searching tracked files in the working tree, search
1328 blobs in the given trees.
1331 <dt class=
"hdlist1">
1336 Signals the end of options; the rest of the parameters
1337 are
<pathspec
> limiters.
1340 <dt class=
"hdlist1">
1341 <pathspec
>…
1345 If given, limit the search to paths matching at least one pattern.
1346 Both leading paths match and glob(
7) patterns are supported.
1348 <div class=
"paragraph"><p>For more details about the
<pathspec
> syntax, see the
<em>pathspec
</em> entry
1349 in
<a href=
"gitglossary.html">gitglossary(
7)
</a>.
</p></div>
1355 <h2 id=
"_examples">EXAMPLES
</h2>
1356 <div class=
"sectionbody">
1357 <div class=
"dlist"><dl>
1358 <dt class=
"hdlist1">
1359 <code>git grep 'time_t' -- '*.[ch]'
</code>
1363 Looks for
<code>time_t
</code> in all tracked .c and .h files in the working
1364 directory and its subdirectories.
1367 <dt class=
"hdlist1">
1368 <code>git grep -e '#define' --and \( -e MAX_PATH -e PATH_MAX \)
</code>
1372 Looks for a line that has
<code>#define
</code> and either
<code>MAX_PATH
</code> or
1373 <code>PATH_MAX
</code>.
1376 <dt class=
"hdlist1">
1377 <code>git grep --all-match -e NODE -e Unexpected
</code>
1381 Looks for a line that has
<code>NODE
</code> or
<code>Unexpected
</code> in
1382 files that have lines that match both.
1385 <dt class=
"hdlist1">
1386 <code>git grep solution -- :^Documentation
</code>
1390 Looks for
<code>solution
</code>, excluding files in
<code>Documentation
</code>.
1397 <h2 id=
"_notes_on_threads">NOTES ON THREADS
</h2>
1398 <div class=
"sectionbody">
1399 <div class=
"paragraph"><p>The
<code>--threads
</code> option (and the grep.threads configuration) will be ignored when
1400 <code>--open-files-in-pager
</code> is used, forcing a single-threaded execution.
</p></div>
1401 <div class=
"paragraph"><p>When grepping the object store (with
<code>--cached
</code> or giving tree objects), running
1402 with multiple threads might perform slower than single threaded if
<code>--textconv
</code>
1403 is given and there are too many text conversions. So if you experience low
1404 performance in this case, it might be desirable to use
<code>--threads=
1</code>.
</p></div>
1408 <h2 id=
"_configuration">CONFIGURATION
</h2>
1409 <div class=
"sectionbody">
1410 <div class=
"paragraph"><p>Everything below this line in this section is selectively included
1411 from the
<a href=
"git-config.html">git-config(
1)
</a> documentation. The content is the same
1412 as what
’s found there:
</p></div>
1413 <div class=
"dlist"><dl>
1414 <dt class=
"hdlist1">
1419 If set to true, enable
<code>-n
</code> option by default.
1422 <dt class=
"hdlist1">
1427 If set to true, enable the
<code>--column
</code> option by default.
1430 <dt class=
"hdlist1">
1435 Set the default matching behavior. Using a value of
<em>basic
</em>,
<em>extended
</em>,
1436 <em>fixed
</em>, or
<em>perl
</em> will enable the
<code>--basic-regexp
</code>,
<code>--extended-regexp
</code>,
1437 <code>--fixed-strings
</code>, or
<code>--perl-regexp
</code> option accordingly, while the
1438 value
<em>default
</em> will use the
<code>grep.extendedRegexp
</code> option to choose
1439 between
<em>basic
</em> and
<em>extended
</em>.
1442 <dt class=
"hdlist1">
1447 If set to true, enable
<code>--extended-regexp
</code> option by default. This
1448 option is ignored when the
<code>grep.patternType
</code> option is set to a value
1449 other than
<em>default
</em>.
1452 <dt class=
"hdlist1">
1457 Number of grep worker threads to use. If unset (or set to
0), Git will
1458 use as many threads as the number of logical cores available.
1461 <dt class=
"hdlist1">
1466 If set to true, enable
<code>--full-name
</code> option by default.
1469 <dt class=
"hdlist1">
1470 grep.fallbackToNoIndex
1474 If set to true, fall back to git grep --no-index if git grep
1475 is executed outside of a git repository. Defaults to false.
1482 <h2 id=
"_git">GIT
</h2>
1483 <div class=
"sectionbody">
1484 <div class=
"paragraph"><p>Part of the
<a href=
"git.html">git(
1)
</a> suite
</p></div>
1488 <div id=
"footnotes"><hr /></div>
1490 <div id=
"footer-text">
1492 2023-
10-
23 14:
43:
46 PDT