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Merging upstream version 0.3.

Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-24 04:51:19 +01:00
parent bcca16d621
commit 7777e97ea4
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
11 changed files with 181 additions and 270 deletions

85
zcat.in
View file

@ -7,11 +7,10 @@
LC_ALL=C
export LC_ALL
invocation_name=$0
args=
default_prog=lzip
two_hyphens=0
# Loop over args until pattern is found
# Loop over args until a filename is found
while [ x"$1" != x ] ; do
case "$1" in
@ -22,10 +21,10 @@ while [ x"$1" != x ] ; do
echo "transparent concatenation of any combination of compressed and"
echo "non-compressed files. If any given file is compressed, its uncompressed"
echo "content is used. If a given file does not exist, zcat tries the"
echo "compressed file name corresponding to the default compressor selected."
echo "compressed file names corresponding to the supported compressors."
echo "The supported compressors are gzip, bzip2, lzip and xz."
echo
echo "Usage: ${invocation_name} [OPTIONS] [CAT_OPTIONS] [FILES]"
echo "Usage: $0 [OPTIONS] [CAT_OPTIONS] [FILES]"
echo
echo "CAT_OPTIONS are passed directly to cat."
echo "The exit status from cat is preserved."
@ -33,13 +32,9 @@ while [ x"$1" != x ] ; do
echo "Options:"
echo " -h, --help display this help and exit"
echo " -V, --version output version information and exit"
echo " --gzip use gzip as default decompressor"
echo " --bzip2 use bzip2 as default decompressor"
echo " --lzip use lzip as default decompressor (default)"
echo " --xz use xz as default decompressor"
echo
echo "Report bugs to lzip-bug@nongnu.org"
echo "Lzip home page: http://www.nongnu.org/lzip/lzip.html"
echo "Report bugs to zutils-bug@nongnu.org"
echo "Zutils home page: http://www.nongnu.org/zutils/zutils.html"
exit 0 ;;
--version | --ve* | -V)
echo "Zcat VERSION"
@ -47,18 +42,10 @@ while [ x"$1" != x ] ; do
echo "This script is free software: you have unlimited permission"
echo "to copy, distribute and modify it."
exit 0 ;;
--gz*)
default_prog=gzip ;;
--bz*)
default_prog=bzip2 ;;
--lz*)
default_prog=lzip ;;
--xz*)
default_prog=xz ;;
-)
;;
--)
shift; break ;;
shift ; two_hyphens=1 ; break ;;
-?*)
args="${args} $1" ;;
*)
@ -67,41 +54,37 @@ while [ x"$1" != x ] ; do
shift
done
if test $# -eq 0; then
${default_prog} -cd | cat ${args}
exit $?
fi
retval=0
for i in "$@" ; do
prog="${default_prog} -cdfq"
case "$i" in
*.gz | *.tgz)
prog="gzip -cdfq" ;;
*.bz2 | *.tbz | *.tbz2)
prog="bzip2 -cdfq" ;;
*.lz | *.tlz)
prog="lzip -cdfq" ;;
*.xz | *.txz)
prog="xz -cdfq" ;;
*)
if test -f "$i"; then prog=cat
else
case ${default_prog} in
gzip)
if test -f "$i.gz"; then i="$i.gz"; fi ;;
bzip2)
if test -f "$i.bz2"; then i="$i.bz2"; fi ;;
lzip)
if test -f "$i.lz"; then i="$i.lz"; fi ;;
xz)
if test -f "$i.xz"; then i="$i.xz"; fi ;;
if [ "$i" = "--" ] && [ ${two_hyphens} = 0 ] ; then two_hyphens=1
else
if [ -f "$i" ]; then
case "$i" in
*.gz | *.tgz)
prog="gzip -cdfq" ;;
*.bz2 | *.tbz | *.tbz2)
prog="bzip2 -cdfq" ;;
*.lz | *.tlz)
prog="lzip -cdfq" ;;
*.xz | *.txz)
prog="xz -cdfq" ;;
*)
prog=cat ;;
esac
fi ;;
esac
${prog} -- "$i" | cat ${args}
r=$?
test "$r" -ne 0 && retval="$r"
elif [ -f "$i.gz" ]; then i="$i.gz" ; prog="gzip -cdfq"
elif [ -f "$i.bz2" ]; then i="$i.bz2" ; prog="bzip2 -cdfq"
elif [ -f "$i.lz" ]; then i="$i.lz" ; prog="lzip -cdfq"
elif [ -f "$i.xz" ]; then i="$i.xz" ; prog="xz -cdfq"
else
echo "$0: File \"$i\" not found or not a regular file" 1>&2
if [ ${retval} = 0 ]; then retval=1 ; fi
continue
fi
${prog} -- "$i" | cat ${args}
r=$?
if [ $r != 0 ]; then retval=$r ; fi
fi
done
exit ${retval}