less/lesspipe.sh

   1 #!/bin/sh
   2 #
   3 # To use this filter with less, define LESSOPEN:
   4 # export LESSOPEN="|/usr/bin/lesspipe.sh %s"
   5
   6 lesspipe() {
   7   case "$1" in
   8   *.[1-9n]|*.man|*.[1-9n].bz2|*.man.bz2|*.[1-9].gz|*.[1-9]x.gz|*.man.gz|*.[1-9].xz|*.[1-9]x.xz|*.man.xz)
   9         case "$1" in
  10                 *.gz)   DECOMPRESSOR="gunzip -c" ;;
  11                 *.bz2)  DECOMPRESSOR="bunzip2 -c" ;;
  12                 *)      DECOMPRESSOR="cat" ;;
  13         esac
  14         if $DECOMPRESSOR -- "$1" | file - | grep -q troff; then
  15                 if echo "$1" | grep -q ^/; then #absolute path
  16                         man -- "$1" | cat -s
  17                 else
  18                         man -- "./$1" | cat -s
  19                 fi
  20         else
  21                 $DECOMPRESSOR -- "$1"
  22         fi ;;
  23   *.tar) tar tvvf "$1" ;;
  24   *.tgz|*.tar.gz|*.tar.[zZ]) tar tzvvf "$1" ;;
  25   *.tar.xz) tar Jtvvf "$1" ;;
  26   *.xz) xz -dc -- "$1" ;;
  27   *.tar.bz2|*.tbz2) bzip2 -dc -- "$1" | tar tvvf - ;;
  28   *.[zZ]|*.gz) gzip -dc -- "$1" ;;
  29   *.bz2) bzip2 -dc -- "$1" ;;
  30   *.lzma) lzma -c -d -- "$1" ;;
  31   *.zip|*.jar|*.nbm) zipinfo -- "$1" ;;
  32   *.rpm) rpm -qpivl --changelog -- "$1" ;;
  33   *.cpi|*.cpio) cpio -itv < "$1" ;;
  34   *.gif|*.jpeg|*.jpg|*.pcd|*.png|*.tga|*.tiff|*.tif)
  35    if [ -x /usr/bin/identify ]; then
  36      identify "$1"
  37    elif [ -x /usr/bin/gm ]; then
  38      gm identify "$1"
  39    else
  40      echo "No identify available"
  41      echo "Install ImageMagick or GraphicsMagick to browse images"
  42    fi ;;
  43   *)
  44         case "$1" in
  45                 *.gz)   DECOMPRESSOR="gunzip -c" ;;
  46                 *.bz2)  DECOMPRESSOR="bunzip2 -c" ;;
  47                 *.xz)   DECOMPRESSOR="unxz -c" ;;
  48         esac
  49         if [ ! -z $DECOMPRESSOR ] ; then
  50                 $DECOMPRESSOR -- "$1" ;
  51         fi
  52   esac
  53 }
  54
  55 if [ -d "$1" ] ; then
  56         /bin/ls -alF -- "$1"
  57 else
  58         lesspipe "$1" 2> /dev/null
  59 fi