Package: less Severity: wishlist Owner: s_la...@ira.uka.de On Thu, Feb 14, 2008 at 09:00:25PM +0100, s_la...@ira.uka.de wrote: >I've added a few lines to the lesspipe in order to make it work with >lzma-compressed files (usually .lzma) and lzma-compressed-tarballs >(usually .tar.lzma). > >See the attachement > >lzma is one of the algorithms used in 7zip, but the ".lzma"-files come >from the "lzma" package in debian which produces files that are not >compatible with ".7z" files IIRC.
#!/bin/sh # # lessfile/lesspipe # $Id: lessopen,v 1.4 1998/05/12 09:37:46 torin Exp $ # Plus POSIX sh changes by Y.Dirson # # Less filter for viewing non text files. # # Written by: Behan Webster <beh...@pobox.com> # Many Modifications by Darren Stalder # Further Modifications by Thomas Schoepf <scho...@debian.org> # # combined lessfile and lesspipe to avoid duplication of decode stage # shell is sure icky. I'm real tempted to rewrite the whole thing in Perl # # Unfortunately, this means that I have filename dependencies sprinkled # throughout the code. If you don't want lessfile to be called that, # you'll need to change the LESSFILE envar below. # # Usage: eval `lessfile` or eval `lesspipe` # # less passes in: # $1 filename to be viewed with less (used by LESSOPEN) # and possibly (if used by lessfile) # $2 filename that was created during LESSOPEN
TMPDIR=${TMPDIR:-/tmp}
BASENAME=`basename $0`
LESSFILE=lessfile
# Helper function to list contents of ISO files (CD images)
iso_list() {
isoinfo -d -i "$1"
isoinfo -d -i "$1" | grep -q ^Rock\.Ridge && iiopts="$iiopts -R"
isoinfo -d -i "$1" | grep -q ^Joliet && iiopts="$iiopts -J"
echo
isoinfo -f $iiopts -i "$1"
}
if [ $# -eq 1 ] ; then
# we were called as LESSOPEN
# if the file doesn't exist, we don't do anything
if [ ! -r "$1" ]; then
exit 0
fi
# generate filename for possible use by lesspipe
umask 077
if [ $BASENAME = $LESSFILE ]; then
TMPFILE=`tempfile -d $TMPDIR -p lessf`
if [ -z "$TMPFILE" ]; then
echo >&2 "Could not find essential program 'tempfile'.
Exiting"
exit 1
fi
fi
(
# possibly redirect stdout to a file for lessfile
if [ $BASENAME = $LESSFILE ]; then exec > $TMPFILE; fi
# Allow for user defined filters
#if [ -x ~/.lessfilter -a -O ~/.lessfilter ]; then
if [ -x ~/.lessfilter ]; then
~/.lessfilter "$1"
if [ $? -eq 0 ]; then
if [ $BASENAME = $LESSFILE ]; then
if [ -s $TMPFILE ]; then
echo $TMPFILE
else
rm -f $TMPFILE
fi
fi
exit 0
fi
fi
# Decode file for less
case `echo "$1" | tr '[:upper:]' '[:lower:]'` in
*.arj)
if [ -x "`which unarj`" ]; then unarj l "$1"
else echo "No unarj available"; fi ;;
*.tar.bz2)
if [ -x "`which bunzip2`" ]; then
bunzip2 -dc "$1" | tar tvvf -
else echo "No bunzip2 available"; fi ;;
*.bz)
if [ -x "`which bunzip`" ]; then bunzip -c "$1"
else echo "No bunzip available"; fi ;;
*.bz2)
if [ -x "`which bunzip2`" ]; then bunzip2 -dc
"$1"
else echo "No bunzip2 available"; fi ;;
*.deb|*.udeb)
echo "$1:"; dpkg --info "$1"
echo
echo '*** Contents:'; dpkg-deb --contents "$1"
;;
*.doc)
if [ -x "`which catdoc`" ]; then catdoc "$1"
else echo "No catdoc available"; fi ;;
*.gif|*.jpeg|*.jpg|*.pcd|*.png|*.tga|*.tiff|*.tif)
if [ -x "`which identify`" ]; then
identify "$1"
else
echo "No identify available"
echo "Install ImageMagick to browse
images"
fi
;;
*.iso)
if [ -x "`which isoinfo`" ]; then iso_list "$1"
else
echo "No isoinfo available"
echo "Install mkisofs to view ISO
images"
fi
;;
*.bin|*.raw)
if [ -x "`which isoinfo`" ]; then
file "$1" | grep -q ISO\.9660 &&
iso_list "$1"
else
echo "No isoinfo available"
echo "Install mkisofs to view ISO
images"
fi
;;
*.lha|*.lzh)
if [ -x "`which lha`" ]; then lha v "$1"
else echo "No lha available"; fi ;;
*.tar.lzma)
if [ -x "`which unlzma`" ]; then
unlzma -dc "$1" | tar tvvf -
else echo "No unlzma available"; fi ;;
*.lzma)
if [ -x "`which unlzma`" ]; then unlzma -dc "$1"
else echo "No unlzma available"; fi ;;
*.pdf)
if [ -x "`which pdftotext`" ]; then pdftotext
"$1" -
else echo "No pdftotext available"; fi ;;
*.rar|*.r[0-9][0-9])
if [ -x "`which rar`" ]; then rar v "$1"
elif [ -x "`which unrar`" ]; then unrar v "$1"
else echo "No rar or unrar available"; fi ;;
*.rpm)
if [ -x "`which rpm`" ]; then
echo "$1:"; rpm -q -i -p "$1"
echo
echo '*** Contents:'
rpm -q -l -p "$1"
else echo "rpm isn't available, no query on rpm
package possible"; fi ;;
*.tar.gz|*.tgz|*.tar.z|*.tar.dz)
tar tzvf "$1" ;;
# Note that this is out of alpha order so that we don't
catch
# the gzipped tar files.
*.gz|*.z|*.dz)
gzip -dc "$1" ;;
*.tar)
tar tvf "$1" ;;
*.jar|*.war|*.ear|*.xpi|*.zip)
if [ -x "`which unzip`" ]; then unzip -v "$1";
elif [ -x "`which miniunzip`" ]; then miniunzip
-l "$1";
elif [ -x "`which miniunz`" ]; then miniunz -l
"$1";
else echo "No unzip, miniunzip or miniunz
available"; fi ;;
*.7z)
if [ -x "`which 7za`" ]; then 7za l "$1";
else echo "No 7za available"; fi ;;
*.zoo)
if [ -x "`which zoo`" ]; then zoo v "$1";
elif [ -x "`which unzoo`" ]; then unzoo -l "$1";
else echo "No unzoo or zoo available"; fi ;;
esac
) 2>/dev/null
if [ $BASENAME = $LESSFILE ]; then
if [ -s $TMPFILE ]; then
echo $TMPFILE
else
rm -f $TMPFILE
fi
fi
elif [ $# -eq 2 ] ; then
#
# we were called as LESSCLOSE
# delete the file created if we were lessfile
#
if [ $BASENAME = $LESSFILE ]; then
if [ -n "$BASH" ]; then
if [ ! -O "$2" ]; then
echo "Error in deleting $2" > /dev/tty
fi
fi
if [ -f "$2" ]; then
rm -f "$2"
else
echo "Error in deleting $2" > /dev/tty
fi
fi
elif [ $# -eq 0 ] ; then
#
# must setup shell to use LESSOPEN/LESSCLOSE
#
# I have no idea how some of the more esoteric shells (es, rc) do
# things. If they don't do things in a Bourne manner, send me a patch
# and I'll incorporate it.
#
# first determine the full path of lessfile/lesspipe
# if you can determine a better way to do this, send me a patch, I've
# not shell-scripted for many a year.
FULLPATH=`cd \`dirname $0\`;pwd`/$BASENAME
case "$SHELL" in
*csh)
if [ $BASENAME = $LESSFILE ]; then
echo "setenv LESSOPEN \"$FULLPATH %s\";"
echo "setenv LESSCLOSE \"$FULLPATH %s %s\";"
else
echo "setenv LESSOPEN \"| $FULLPATH %s\";"
echo "setenv LESSCLOSE \"$FULLPATH %s %s\";"
fi
;;
*)
if [ $BASENAME = $LESSFILE ]; then
echo "export LESSOPEN=\"$FULLPATH %s\";"
echo "export LESSCLOSE=\"$FULLPATH %s %s\";"
else
echo "export LESSOPEN=\"| $FULLPATH %s\";"
echo "export LESSCLOSE=\"$FULLPATH %s %s\";"
fi
;;
esac
#echo "# If you tried to view a file with a name that starts with '#',
you"
#echo "# might see this message instead of the file's contents."
#echo "# To view the contents, try to put './' ahead of the filename
when"
#echo "# calling less."
else
echo "Usage: eval \`$BASENAME\`"
exit
fi
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