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Scripts: Add lz4 support to xzgrep and xzdiff.

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This commit is contained in:
Lasse Collin 2024-02-13 17:00:17 +02:00
parent de55485cb2
commit 109f1913d4
4 changed files with 19 additions and 10 deletions
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8
src/scripts/xzdiff.1
View file

@ -5,7 +5,7 @@
.\"
.\" (Note that this file is not based on gzip's zdiff.1.)
.\"
.TH XZDIFF 1 "2024-02-12" "Tukaani" "XZ Utils"
.TH XZDIFF 1 "2024-02-13" "Tukaani" "XZ Utils"
.SH NAME
xzcmp, xzdiff, lzcmp, lzdiff \- compare compressed files
.
@ -48,8 +48,9 @@ are specified, they can be uncompressed files or files in formats that
.BR gzip (1),
.BR bzip2 (1),
.BR lzop (1),
.BR zstd (1),
or
.BR zstd (1)
.BR lz4 (1)
can decompress.
The required decompression commands are determined from
the filename suffixes of
@ -91,4 +92,5 @@ is used.
.BR gzip (1),
.BR bzip2 (1),
.BR lzop (1),
.BR zstd (1)
.BR zstd (1),
.BR lz4 (1)

14
src/scripts/xzdiff.in
View file

@ -84,13 +84,15 @@ if test $# -eq 1; then
xz1=lzop;;
*[-.]zst | *.tzst)
xz1='zstd -q';;
*[-.]lz4)
xz1=lz4;;
*)
printf '%s\n' "$0: $1: Unknown compressed file name suffix" >&2
exit 2;;
esac
case $1 in
*[-.][zZ] | *_z | *[-.][gx]z | *[-.]bz2 | *[-.]lzma | *[-.]lz | *[-.]lzo | *[-.]zst)
FILE=`expr "X$1" : 'X\(.*\)[-.][abglmostxzZ2]*$'`;;
*[-.][zZ] | *_z | *[-.][gx]z | *[-.]bz2 | *[-.]lzma | *[-.]lz | *[-.]lzo | *[-.]zst | *[-.]lz4)
FILE=`expr "X$1" : 'X\(.*\)[-.][abglmostxzZ24]*$'`;;
*.t[abglx]z)
FILE=`expr "X$1" : 'X\(.*[-.]t\)[abglx]z$'`ar;;
*.tbz2)
@ -110,17 +112,19 @@ elif test $# -eq 2; then
*[-.][zZ] | *_z | *[-.]gz | *.t[ag]z) xz1=gzip;;
*[-.]lzo | *.tzo) xz1=lzop;;
*[-.]zst | *.tzst) xz1='zstd -q';;
*[-.]lz4) xz1=lz4;;
esac
case $2 in
*[-.]bz2 | *.tbz | *.tbz2) xz2=bzip2;;
*[-.][zZ] | *_z | *[-.]gz | *.t[ag]z) xz2=gzip;;
*[-.]lzo | *.tzo) xz2=lzop;;
*[-.]zst | *.tzst) xz2='zstd -q';;
*[-.]lz4) xz2=lz4;;
esac
case $1 in
*[-.][zZ] | *_z | *[-.][gx]z | *[-.]bz2 | *[-.]lzma | *[-.]lz | *.t[abglx]z | *.tbz2 | *[-.]lzo | *.tzo | *[-.]zst | *.tzst | -)
*[-.][zZ] | *_z | *[-.][gx]z | *[-.]bz2 | *[-.]lzma | *[-.]lz | *.t[abglx]z | *.tbz2 | *[-.]lzo | *.tzo | *[-.]zst | *.tzst | *[-.]lz4 | -)
case "$2" in
*[-.][zZ] | *_z | *[-.][gx]z | *[-.]bz2 | *[-.]lzma | *[-.]lz | *.t[abglx]z | *.tbz2 | *[-.]lzo | *.tzo | *[-.]zst | *.tzst | -)
*[-.][zZ] | *_z | *[-.][gx]z | *[-.]bz2 | *[-.]lzma | *[-.]lz | *.t[abglx]z | *.tbz2 | *[-.]lzo | *.tzo | *[-.]zst | *.tzst | *[-.]lz4 | -)
if test "$1$2" = --; then
xz_status=$(
exec 4>&1
@ -184,7 +188,7 @@ elif test $# -eq 2; then
esac;;
*)
case "$2" in
*[-.][zZ] | *_z | *[-.][gx]z | *[-.]bz2 | *[-.]lzma | *[-.]lz | *.t[abglx]z | *.tbz2 | *[-.]lzo | *.tzo | *[-.]zst | *.tzst | -)
*[-.][zZ] | *_z | *[-.][gx]z | *[-.]bz2 | *[-.]lzma | *[-.]lz | *.t[abglx]z | *.tbz2 | *[-.]lzo | *.tzo | *[-.]zst | *.tzst | *[-.]lz4 | -)
xz_status=$(
exec 4>&1
($xz2 -cdf -- "$2" 4>&-; echo $? >&4) 3>&- |

6
src/scripts/xzgrep.1
View file

@ -5,7 +5,7 @@
.\"
.\" (Note that this file is not based on gzip's zgrep.1.)
.\"
.TH XZGREP 1 "2024-02-12" "Tukaani" "XZ Utils"
.TH XZGREP 1 "2024-02-13" "Tukaani" "XZ Utils"
.SH NAME
xzgrep \- search possibly-compressed files for patterns
.
@ -45,8 +45,9 @@ with a suffix supported by
.BR gzip (1),
.BR bzip2 (1),
.BR lzop (1),
.BR zstd (1),
or
.BR zstd (1)
.BR lz4 (1)
will be decompressed;
all other files are assumed to be uncompressed.
.PP
@ -139,4 +140,5 @@ or
.BR bzip2 (1),
.BR lzop (1),
.BR zstd (1),
.BR lz4 (1),
.BR zgrep (1)

1
src/scripts/xzgrep.in
View file

@ -181,6 +181,7 @@ for i; do
*[-.]bz2 | *[-.]tbz | *.tbz2) uncompress="bzip2 -cdf";;
*[-.]lzo | *[-.]tzo) uncompress="lzop -cdf";;
*[-.]zst | *[-.]tzst) uncompress="zstd -cdfq";; # zstd needs -q.
*[-.]lz4) uncompress="lz4 -cdf";;
*) uncompress="$xz -cdfqQ";; # -qQ to ignore warnings like unsupp. check.
esac
# xz_status will hold the decompressor's exit status.