Help: grep

hg grep [--diff] [OPTION]... PATTERN [FILE]...

search for a pattern in specified files

Search the working directory or revision history for a regular expression in the specified files for the entire repository.

By default, grep searches the repository files in the working directory and prints the files where it finds a match. To specify historical revisions instead of the working directory, use the --rev flag.

To search instead historical revision differences that contains a change in match status ("-" for a match that becomes a non-match, or "+" for a non-match that becomes a match), use the --diff flag.

PATTERN can be any Python (roughly Perl-compatible) regular expression.

If no FILEs are specified and the --rev flag isn't supplied, all files in the working directory are searched. When using the --rev flag and specifying FILEs, use the --follow argument to also follow the specified FILEs across renames and copies.

Template:

The following keywords are supported in addition to the common template keywords and functions. See also 'hg help templates'.

change: String. Character denoting insertion "+" or removal "-". Available if "--diff" is specified.
lineno: Integer. Line number of the match.
path: String. Repository-absolute path of the file.
texts: List of text chunks.

And each entry of "{texts}" provides the following sub-keywords.

matched: Boolean. True if the chunk matches the specified pattern.
text: String. Chunk content.

See 'hg help templates.operators' for the list expansion syntax.

Returns 0 if a match is found, 1 otherwise.

options ([+] can be repeated):

-0	--print0	end fields with NUL
	--all	an alias to --diff (DEPRECATED)
	--diff	search revision differences for when the pattern was added or removed
-a	--text	treat all files as text
-f	--follow	follow changeset history, or file history across copies and renames
-i	--ignore-case	ignore case when matching
-l	--files-with-matches	print only filenames and revisions that match
-n	--line-number	print matching line numbers
-r	--rev REV [+]	search files changed within revision range
	--all-files	include all files in the changeset while grepping (DEPRECATED)
-u	--user	list the author (long with -v)
-d	--date	list the date (short with -q)
-T	--template TEMPLATE	display with template
-I	--include PATTERN [+]	include names matching the given patterns
-X	--exclude PATTERN [+]	exclude names matching the given patterns

global options ([+] can be repeated):

-R	--repository REPO	repository root directory or name of overlay bundle file
	--cwd DIR	change working directory
-y	--noninteractive	do not prompt, automatically pick the first choice for all prompts
-q	--quiet	suppress output
-v	--verbose	enable additional output
	--color TYPE	when to colorize (boolean, always, auto, never, or debug)
	--config CONFIG [+]	set/override config option (use 'section.name=value')
	--debug	enable debugging output
	--debugger	start debugger
	--encoding ENCODE	set the charset encoding (default: UTF-8)
	--encodingmode MODE	set the charset encoding mode (default: strict)
	--traceback	always print a traceback on exception
	--time	time how long the command takes
	--profile	print command execution profile
	--version	output version information and exit
-h	--help	display help and exit
	--hidden	consider hidden changesets
	--pager TYPE	when to paginate (boolean, always, auto, or never) (default: auto)

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Help: grep