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grepdiff (1)
GREPDIFF(1) Man pages GREPDIFF(1)
NAME
grepdiff - show files modified by a diff containing a regex
SYNOPSIS
grepdiff [-n] [--number-files] [-p n] [--strip=n] [--addprefix=PREFIX]
[-s] [-i PATTERN] [-x PATTERN] [-v] [-E] [[-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 file?s 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 "pf_gfp_mask", 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
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).
--number-files
File numbers are listed, beginning at 1, before each filename.
-p 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.
-s
Show file additions, modifications and removals. A file addition is
indicated by a "+", a removal by a "-", and a modification by a
"!".
-i PATTERN
Include only files matching PATTERN.
-x PATTERN
Exclude files matching PATTERN.
-E
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
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>
Author.
patchutils 2 Jul 2004 GREPDIFF(1)
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