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authorDaniel Baumann <mail@daniel-baumann.ch>2015-11-07 15:57:18 +0000
committerDaniel Baumann <mail@daniel-baumann.ch>2015-11-07 15:57:18 +0000
commite0310a3e54eb3ed0938c63f6df4528520b6c0e51 (patch)
tree8079176d348230619f2d1ae9dedc1f4ec27f9e61 /zcat.in
parentInitial commit. (diff)
downloadzutils-e0310a3e54eb3ed0938c63f6df4528520b6c0e51.tar.xz
zutils-e0310a3e54eb3ed0938c63f6df4528520b6c0e51.zip
Adding upstream version 0.2.upstream/0.2
Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>
Diffstat (limited to 'zcat.in')
-rw-r--r--zcat.in107
1 files changed, 107 insertions, 0 deletions
diff --git a/zcat.in b/zcat.in
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--- /dev/null
+++ b/zcat.in
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+#! /bin/sh
+# Zcat - Cat wrapper for compressed files.
+# Copyright (C) 2009 Antonio Diaz Diaz.
+#
+# This script is free software: you have unlimited permission
+# to copy, distribute and modify it.
+
+LC_ALL=C
+export LC_ALL
+invocation_name=$0
+args=
+default_prog=lzip
+
+# Loop over args until pattern is found
+while [ x"$1" != x ] ; do
+
+ case "$1" in
+ --help | --he* | -h)
+ echo "Zcat - Cat wrapper for compressed files."
+ echo
+ echo "Zcat is a wrapper script around the cat command that allows"
+ 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 "The supported compressors are gzip, bzip2, lzip and xz."
+ echo
+ echo "Usage: ${invocation_name} [OPTIONS] [CAT_OPTIONS] [FILES]"
+ echo
+ echo "CAT_OPTIONS are passed directly to cat."
+ echo "The exit status from cat is preserved."
+ echo
+ echo "Options:"
+ echo " -h, --help display this help and exit"
+ echo " -V, --version output version information and exit"
+ echo " --gzip use gzip as default decompressor"
+ echo " --bzip2 use bzip2 as default decompressor"
+ echo " --lzip use lzip as default decompressor (default)"
+ echo " --xz use xz as default decompressor"
+ echo
+ echo "Report bugs to lzip-bug@nongnu.org"
+ echo "Lzip home page: http://www.nongnu.org/lzip/lzip.html"
+ exit 0 ;;
+ --version | --ve* | -V)
+ echo "Zcat VERSION"
+ echo "Copyright (C) 2009 Antonio Diaz Diaz."
+ echo "This script is free software: you have unlimited permission"
+ echo "to copy, distribute and modify it."
+ exit 0 ;;
+ --gz*)
+ default_prog=gzip ;;
+ --bz*)
+ default_prog=bzip2 ;;
+ --lz*)
+ default_prog=lzip ;;
+ --xz*)
+ default_prog=xz ;;
+ -)
+ ;;
+ --)
+ shift; break ;;
+ -?*)
+ args="${args} $1" ;;
+ *)
+ break ;;
+ esac
+ 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 ;;
+ esac
+ fi ;;
+ esac
+ ${prog} -- "$i" | cat ${args}
+ r=$?
+ test "$r" -ne 0 && retval="$r"
+done
+
+exit ${retval}