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authorDaniel Baumann <mail@daniel-baumann.ch>2015-11-07 16:12:09 +0000
committerDaniel Baumann <mail@daniel-baumann.ch>2015-11-07 16:12:09 +0000
commitce45d0f4d07b11c9907025d92a702a5327e3c42c (patch)
treeebc16aa86b9fbf0ccf9ebcc2a5cab649c49b007e /zgrep.in
parentAdding upstream version 0.5. (diff)
downloadzutils-ce45d0f4d07b11c9907025d92a702a5327e3c42c.tar.xz
zutils-ce45d0f4d07b11c9907025d92a702a5327e3c42c.zip
Adding upstream version 0.6.upstream/0.6
Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>
Diffstat (limited to 'zgrep.in')
-rw-r--r--zgrep.in29
1 files changed, 13 insertions, 16 deletions
diff --git a/zgrep.in b/zgrep.in
index ab004b7..df400c3 100644
--- a/zgrep.in
+++ b/zgrep.in
@@ -8,7 +8,6 @@
LC_ALL=C
export LC_ALL
args=
-default_prog=gzip
have_pat=0
list=0
no_name=0
@@ -26,8 +25,9 @@ while [ x"$1" != x ] ; do
echo "files. If any given file is compressed, its uncompressed content is"
echo "used. If a given file does not exist, zgrep tries the compressed file"
echo "names corresponding to the supported compressors. If no files are"
- echo "specified, the standard input is decompressed using the selected"
- echo "compressor and fed to grep."
+ echo "specified, data is read from standard input, decompressed if needed, and"
+ echo "fed to grep. Data read from standard input must be of the same type; all"
+ echo "uncompressed or all compressed with the same compressor."
echo "The supported compressors are gzip, bzip2, lzip and xz."
echo
echo "Zegrep is a shortcut for \"zgrep -E\""
@@ -41,10 +41,6 @@ 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 decompressor for stdin (default)"
- echo " --bzip2 use bzip2 as decompressor for stdin"
- echo " --lzip use lzip as decompressor for stdin"
- echo " --xz use xz as decompressor for stdin"
echo
echo "Report bugs to zutils-bug@nongnu.org"
echo "Zutils home page: http://www.nongnu.org/zutils/zutils.html"
@@ -55,14 +51,6 @@ 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 ;;
-[drRzZ] | --di* | --exc* | --inc* | --nu* | --rec*)
echo "$0: option $1 not supported"
exit 1 ;;
@@ -96,7 +84,16 @@ if [ ${have_pat} = 0 ]; then
fi
if [ $# = 0 ]; then
- ${default_prog} -cdfq | grep ${args}
+ bindir=`echo "$0" | sed -e 's,[^/]*$,,'`
+ prog_name=`"${bindir}"zutils -t`
+ case "${prog_name}" in
+ gzip) prog="gzip -cdfq" ;;
+ bzip2) prog="bzip2 -cdfq" ;;
+ lzip) prog="lzip -cdfq" ;;
+ xz) prog="xz -cdfq" ;;
+ *) prog=cat ;;
+ esac
+ { "${bindir}"zutils -m ${prog_name} ; cat ; } | ${prog} | grep ${args}
exit $?
fi