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#!/bin/sh
#
# Copyright 1997, 1998, 1999, 2000 Patrick Volkerding, Moorhead, MN, USA
# Copyright 2001, 2002 Slackware Linux, Inc, Concord, CA, USA
# Copyright 2006, 2009, 2017, 2021 Patrick Volkerding, Sebeka, MN, USA
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# This is a preprocessor for 'less'. It is used when this environment
# variable is set: LESSOPEN="|lesspipe.sh %s"
lesspipe() {
case "$1" in
*.tar) tar tvvf "$1" 2>/dev/null ;;
*.tar.lzma ) lzma -dc "$1" 2> /dev/null | tar tvvf - 2> /dev/null ;;
*.tgz | *.tar.gz | *.tar.Z | *.tar.z | *.tar.bz2 | *.tbz ) tar tvvf "$1" 2>/dev/null ;;
*.tlz | *.tar.lz ) lzip -dc "$1" 2> /dev/null | tar tvvf - 2> /dev/null ;;
*.txz | *.tar.xz ) xz -dc "$1" 2> /dev/null | tar tvvf - 2> /dev/null ;;
*.tzst | *.tar.zst | *.tar.zstd ) tar tvvf "$1" 2> /dev/null ;;
*.zip) unzip -l "$1" 2>/dev/null ;;
*.rpm) rpm -qpvl "$1" 2>/dev/null ;;
*.rar) # check if rar is installed first
if which rar 1> /dev/null ; then
`which rar` t "$1"
fi ;;
*.1|*.2|*.3|*.4|*.5|*.6|*.7|*.8|*.9|*.n|*.man) # *roff src?
if file -L "$1" | grep roff 1> /dev/null ; then
nroff -S -mandoc "$1"
fi ;;
*.1.gz|*.2.gz|*.3.gz|*.4.gz|*.5.gz|*.6.gz|*.7.gz|*.8.gz|*.9.gz|*.n.gz|*.man.gz) # compressed *roff src?
if gzip -dc "$1" | file - | grep roff 1> /dev/null ; then
gzip -dc "$1" | nroff -S -mandoc -
else gzip -dc "$1" 2>/dev/null
fi ;;
*.1.bz2|*.2.bz2|*.3.bz2|*.4.bz2|*.5.bz2|*.6.bz2|*.7.bz2|*.8.bz2|*.9.bz2|*.n.bz2|*.man.bz2) # compressed *roff src?
if bzip2 -dc "$1" | file - | grep roff 1> /dev/null ; then
bzip2 -dc "$1" | nroff -S -mandoc -
fi ;;
*.gz) gzip -dc "$1" 2>/dev/null ;;
*.bz2) bzip2 -dc "$1" 2>/dev/null ;;
*.lzma) lzma -dc "$1" 2>/dev/null ;;
*.xz) xz -dc "$1" 2>/dev/null ;;
# *) FILE=`file -L "$1"` ; # Check to see if binary, if so -- view with 'strings'
# FILE1=`echo $FILE | cut -d ' ' -f 2`
# FILE2=`echo $FILE | cut -d ' ' -f 3`
# if [ "$FILE1" = "Linux/i386" -o "$FILE2" = "Linux/i386" \
# -o "$FILE1" = "ELF" -o "$FILE2" = "ELF" ]; then
# strings "$1"
# fi ;;
esac
}
lesspipe "$1"
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