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PATCHVIEW(1)                       Man pages                      PATCHVIEW(1)

NAME
       patchview - Without options, show numbered files modified by the patch.
       With options, behave as filterdiff.

SYNOPSIS
       patchview [[-n] | [--line-number]] [[-p n] | [--strip-match=n]]
                 [--strip=n] [--addprefix=PREFIX] [[-s] | [--status]] [[-E] |
                 [--empty-files-as-removed]] [[-i PATTERN] |
                 [--include=PATTERN]] [[-x PATTERN] | [--exclude=PATTERN]]
                 [[-z] | [--decompress]] [[-# RANGE] | [--hunks=RANGE]]
                 [--lines=RANGE] [[-FRANGE] | [--files=RANGE]] [[-H] |
                 [--with-filename]] [[-h] | [--no-filename]] [[-v] |
                 [--verbose]...] [file...]

       patchview {[--help] | [--version] | [--filter ...] | [--grep ...]}

DESCRIPTION
       So what is patchview? It is a wrapper of filterdiff for use with
       numbered files.

           patchview

       (without args) is equivalent to: lsdiff --number

           patchview -F2-

       (or with any other args) is equivalent to: filterdiff -F2- (or whatever
       arguments are supplied)

       There are two scripts for working with git (gitdiff and gitdiffview)
       and two for svn (svndiff and svndiffview).

           svndiff

           gitdiff

       (without args) will give the list of files modified

           svndiff -F1

           gitdiff -F1

       will show the patch of file #1

           svndiffview

           gitdiffview

       pipe all patches through filterdiff to vim - -R (in read-only mode,
       easy to quit), showing complete patch with color.

           svndiffview -F2

           gitdiffview -F2

       (or any other args) will pipe patch of file #2 to vim - -R

OPTIONS
       -n, --line-number
           Display the line number that each patch begins at. If verbose
           output is requested (using -nv), each hunk of each patch is listed
           as well.

           For each file that is modified, a line is generated containing the
           line number of the beginning of the patch, followed by a Tab
           character, followed by the name of the file that is modified. If -v
           is given once, following each of these lines will be one line for
           each hunk, consisting of a Tab character, the line number that the
           hunk begins at, another Tab character, the string “Hunk #”, and the
           hunk number (starting at 1).

           If the -v is given twice in conjunction with -n (i.e.  -nvv), the
           format is slightly different: hunk-level descriptive text is shown
           after each hunk number, and the --number-files option is enabled.

       -N, --number-files
           File numbers are listed, beginning at 1, before each filename.

       -# RANGE, --hunks=RANGE
           Only list hunks within the specified RANGE. Hunks are numbered from
           1, and the range is a comma-separated list of numbers or
           “first-last” spans, optionally preceded 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 “first-last” spans,
           optionally preceded 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 “first-last”
           spans, optionally preceded 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.

       -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.

       -s, --status
           Show file additions, modifications and removals. A file addition is
           indicated by a “+”, a removal by a “-”, and a modification by a
           “!”.

       -E, --empty-files-as-removed
           Treat empty files as absent for the purpose of displaying file
           additions, modifications and removals.

       -i PATTERN, --include=PATTERN
           Include only files matching PATTERN.

       -x PATTERN, --exclude=PATTERN
           Exclude files matching PATTERN.

       -z, --decompress
           Decompress files with extensions .gz and .bz2.

       -H, --with-filename
           Print the name of the patch file containing each patch.

       -h, --no-filename
           Suppress the name of the patch file containing each patch.

       -v, --verbose
           Verbose output.

       --help
           Display a short usage message.

       --version
           Display the version number of patchview.

       --filter
           Behave like filterdiff(1) instead.

       --grep
           Behave like grepdiff(1) instead.

SEE ALSO
       lsdiff(1),filterdiff(1), grepdiff(1)

EXAMPLES
       We can make the following one-line script with the name difftotrunk.sh,
       to view the differences of two directories or svn repos (trunk and .)

           diff ../trunk . -ru -x .svn | patchview "$@"

           ./difftotrunk.sh , will show all different files and his number.

           ./difftotrunk.sh -F3,4 , will show the differences of files #3 and #4 only.

           ./difftotrunk.sh -F3 -#1 , will show only hunk #1 of file #3.

           ./difftotrunk.sh -F3 -#x1 , will show the differences of files #3 without hunk #1 (x means that exclude).

AUTHOR
       Tim Waugh <twaugh@redhat.com>
           Package maintainer

patchutils                        02 Jul 2020                     PATCHVIEW(1)

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