#!/bin/sh
# This is a preprocessor for 'less'.  It is used when this environment
# variable is set:  LESSOPEN="|lesspipe.sh %s"

lesspipe() {
  case "$1" in

  *.arj|*.ARJ) unarj l $1 2>/dev/null ; exit ;;
  *.deb|*.udeb) undeb -p $1 control.tar.gz | tar -xzO *control ; undeb -p $1 data.tar.gz | tar -tzv 2>/dev/null ; exit ;; 
  *.lha|*.LHA|*.lzh|*.LZH) lha l $1 2>/dev/null ; exit ;; 
  *.rar|*.RAR) unrar l -c- $1 2>/dev/null ; exit ;;
  *.rpm) unrpm < $1 | gzip -dc | cpio -tv 2>/dev/null ; exit ;;
  *.tar|*.TAR) tar tvvf $1 2>/dev/null ; exit ;; 
  *.tgz|*.tar.gz|*.tar.Z|*.tar.z) tar tzvvf $1 2>/dev/null ; exit ;;
  *.tar.bz2) bzip2 -dc $1 | tar -tvvf - 2>/dev/null ; exit ;;
  *.slp) tar tvvf $1 --use-compress-program bzip2 2>/dev/null ; exit ;;
  *.bz2) bzip2 -dc $1 2>/dev/null ; exit ;;
  *.zip|*.ZIP) unzip -l $1 2>/dev/null ; exit ;;
  *.1|*.2|*.3|*.4|*.5|*.6|*.7|*.8|*.9|*.n|*.nro|*.man) FILE=`file -L $1 | cut -d' ' -f2` ;

  if [ "$FILE" = "troff" ]; then
  groff -Tascii -t -mandoc $1 ; exit ;
  fi ;; 

  *.gz|*.Z|*.z) FILE=`file -z -L $1 | cut -d' ' -f2` ;

  if [ "$FILE" = "troff" ]; then
  gzip -dc $1 | groff -Tascii -t -mandoc ; exit 
  else
  gzip -dc $1 2>/dev/null ; exit 
  fi ;;

  *.lz) FILE=`file -z -L $1 | cut -d' ' -f2` ;

  if [ "$FILE" = "troff" ]; then
  lzip -dc $1 | groff -Tascii -t -mandoc ; exit 
  else
  lzip -dc $1 2>/dev/null ; exit 
  fi ;;

  *.xz) FILE=`file -z -L $1 | cut -d' ' -f2` ;

  if [ "$FILE" = "troff" ]; then
  xz -dc $1 | groff -Tascii -t -mandoc ; exit 
  else
  xz -dc $1 2>/dev/null ; exit 
  fi ;;

esac

TYPE=`file -z -L $1 | cut -d' ' -f2-`

case $TYPE in

  GNU\ tar*)               tar tvvf $1 ;;
  gzip*)                   gzip -dc $1 ;;
  compress\'d\ data*)	   gzip -dc $1 ;;
  LHa*)			   lha l $1 ;;  
  RAR*)	        	   unrar l -c- $1 ;;
  RPM*)			   unrpm < $1 | gzip -dc | cpio -tv ;;
  current\ ar\ archive*)   undeb -p $1 control.tar.gz | tar -xzO *control ; undeb -p $1 data.tar.gz | tar -tzv ;; 
  ARJ*)			   unarj l $1 ;;
  Zip*)                    unzip -l $1 ;;
  troff*)                  groff -Tascii -t -mandoc $1 ;;
  ELF*)			   strings $1 ;;
  Linux/i386*)		   strings $1 ;;
  MS-DOS\ executable*)	   strings $1 ;;
  MS-Windows*)		   strings $1 ;;
  Win95\ executable*)	   strings $1 ;;
  *)            	unset lesspipe ;;

esac
}

lesspipe $1 2>/dev/null