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Man Pages


Manual Reference Pages  -  GREPDIFF (1)

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NAME

grepdiff - show files modified by a diff containing a regex

CONTENTS

SYNOPSIS

grepdiff [[-n] | [--line-number]] [[-N] | [--number-files]] [[-p n] | [--strip-match=n]] [--strip=n] [--addprefix=PREFIX] [--addoldprefix=PREFIX] [--addnewprefix=PREFIX] [[-s] | [--status]] [[-i PATTERN] | [--include=PATTERN]] [[-I FILE] | [--include-from-file=FILE]] [[-x PATTERN] | [--exclude=PATTERN]] [[-X FILE] | [--exclude-from-file=FILE]] [[-# RANGE] | [--hunks=RANGE]] [--lines=RANGE] [[-FRANGE] | [--files=RANGE]] [--annotate] [--as-numbered-lines=WHEN] [--format=FORMAT] [--remove-timestamps] [[-v] | [--verbose]] [[-z] | [--decompress]] [[-E] | [--extended-regexp]] [[-H] | [--with-filename]] [[-h] | [--no-filename]] [--output-matching=WHAT] {[REGEX] | [-f FILE]} [file...]
grepdiff {[--help] | [--version] | [--list] | [--filter ...]}

DESCRIPTION

For each file modified by a patch, if the patch hunk contains the REGEX then the files name is printed.

The regular expression is treated as POSIX Basic Regular Expression syntax, unless the -E option is given in which case POSIX Extended Regular Expression syntax is used.

For example, to see the patches in my.patch which contain the regular expression \(lqpf_gfp_mask\(rq, use:

grepdiff pf_gfp_mask my.patch | \
  xargs -rn1 filterdiff my.patch -i

You can use both unified and context format diffs with this program.

OPTIONS

-n, --line-number

Display the line number that each patch begins at. If verbose output is requested, each matching hunk is listed as well.

For a description of the output format see lsdiff(1).

-N, --number-files

File numbers are listed, beginning at 1, before each filename.

-p n, --strip-match=n

When matching, ignore the first n components of the pathname.

--strip=n

Remove the first n components of the pathname before displaying it.

--addprefix=PREFIX

Prefix the pathname with PREFIX before displaying it. This will override any individual settings specified with the --addoldprefix or --addnewprefix options.

--addoldprefix=PREFIX

Prefix pathnames for old or original files in the output by PREFIX.

--addnewprefix=PREFIX

Prefix pathnames for updated or new files in the output by PREFIX.

-s

Show file additions, modifications and removals. A file addition is indicated by a \(lq+\(rq, a removal by a \(lq-\(rq, and a modification by a \(lq!\(rq.

-i PATTERN, --include=PATTERN

Include only files matching PATTERN.

-I FILE, --include-from-file=FILE

Include only files matching any pattern listed in FILE, one pattern per line. All other lines in the input are suppressed.

-x PATTERN --exclude=PATTERN

Exclude files matching PATTERN.

-X FILE, --exclude-from-file=FILE

Exclude files matching any pattern listed in FILE, one pattern per line. All other lines in the input are displayed.

-# RANGE, --hunks=RANGE

Only include hunks within the specified RANGE. Hunks are numbered from 1, and the range is a comma-separated list of numbers or \(lqfirst-last\(rq spans, optionially preceeded by a modifier x which inverts the entire range; either the first or the last in the span may be omitted to indicate no limit in that direction.

--lines=RANGE

Only list hunks that contain lines from the original file that lie within the specified RANGE. Lines are numbered from 1, and the range is a comma-separated list of numbers or \(lqfirst-last\(rq spans, optionially preceeded by a modifier x which inverts the entire range; either the first or the last in the span may be omitted to indicate no limit in that direction.

-F=RANGE, --files=RANGE

Only list files indicated by the specified RANGE. Files are numbered from 1 in the order they appear in the patch input, and the range is a comma-separated list of numbers or \(lqfirst-last\(rq spans, optionially preceeded by a modifier x which inverts the entire range; either the first or the last in the span may be omitted to indicate no limit in that direction.

--annotate

Annotate each hunk with the filename and hunk number.

--as-numbered-lines=before|after

Instead of a patch fragment, display the lines of the selected hunks with the line number of the file before (or after) the patch is applied, followed by a TAB character and a colon, at the beginning of each line. Each hunk except the first will have a line consisting of \(lq...\(rq before it.

--format=unified|context

Use specified output format.

--remove-timestamps

Do not include file timestamps in the output.

-z, --decompress

Decompress files with extensions .gz and .bz2.

-E, --extended-regexp

Use POSIX Extended Regular Expression syntax.

-H, --with-filename

Print the name of the patch file containing each match.

-h, --no-filename

Suppress the name of the patch file containing each match.

-f FILE, --file=FILE

Read regular expressions from FILE, one per line.

--output-matching=hunk|file

Display the matching hunk-level or file-level diffs.

--help

Display a short usage message.

--version

Display the version number of grepdiff.

--filter

Behave like filterdiff(1) instead.

--list

Behave like lsdiff(1) instead.

SEE ALSO

filterdiff(1), lsdiff(1)

AUTHOR

Tim Waugh <twaugh@redhat.com>

Package maintainer
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patchutils GREPDIFF (1) 10 Feb 2011

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