less/filter

   1 #!/bin/sh
   2 #
   3 # /usr/lib/less/filter: less(1) filter
   4 #
   5 # To use: export LESSOPEN="|/usr/lib/less/filter %s"
   6 #
   7
   8 filter() {
   9     case "$1" in
  10         *.[1-9n]) cat "$1" | nroff -c -mandoc | cat -s ;;
  11         *.[1-9n].gz) zcat "$1" | nroff -c -mandoc | cat -s ;;
  12         *.[1-9n].bz2) bzcat "$1" | nroff -c -mandoc | cat -s ;;
  13         *.tar) tar tvvf "$1" ;;
  14         *.tgz|*.tar.gz|*.tar.[zZ]) tar tzvvf "$1" ;;
  15         *.tbz2|*.tar.bz2) tar tjvvf "$1" ;;
  16         *.tar.xz|*.tar.lzma) tar tJvvf "$1" ;;
  17         *.xz|*.lzma) xz -dc "$1" ;;
  18         *.[zZ]|*.gz) gzip -dc "$1" ;;
  19         *.bz2) bzip2 -dc "$1" ;;
  20         *.zip) zipinfo "$1" ;;
  21         *.cpio) cpio -itv < "$1" ;;
  22     esac
  23 }
  24
  25 filter "$1" 2> /dev/null
  26
  27 # End of file