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Help: grep
hg grep [OPTION]... PATTERN [FILE]...
search revision history for a pattern in specified files
Search revision history for a regular expression in the specified files or the entire project.
By default, grep prints the most recent revision number for each file in which it finds a match. To get it to print every revision 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 --all flag.
PATTERN can be any Python (roughly Perl-compatible) regular expression.
If no FILEs are specified (and -f/--follow isn't set), all files in the repository are searched, including those that don't exist in the current branch or have been deleted in a prior changeset.
Returns 0 if a match is found, 1 otherwise.
options ([+] can be repeated):
| -0 | --print0 | end fields with NUL |
| --all | print all revisions that match | |
| -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 [+] | only search files changed within revision range |
| -u | --user | list the author (long with -v) |
| -d | --date | list the date (short with -q) |
| -T | --template TEMPLATE | display with template (EXPERIMENTAL) |
| -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: ascii) | |
| --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) |