scripts/mass-thumbnailer

   1 #!/bin/sh
   2
   3 # mass-thumbnailer: convenience script for testing many files at once
   4
   5 # Copyright 2011 Lewis Gentry.
   6
   7 # This program is free software: you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation, either version 3 of the License, or
  10 # (at your option) any later version.
  11
  12 # This program is distributed in the hope that it will be useful, but
  13 # WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15 # General Public License for more details.
  16
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
  19
  20 canonical=./blorb-thumbnailer
  21 program_name=$canonical
  22
  23 while getopts s:c: flag; do
  24     case $flag in
  25         s)      size=$OPTARG;;
  26         c)      program_name=$OPTARG;;
  27     esac
  28 done
  29 shift $(($OPTIND - 1))
  30
  31 if [ $# = 0 ]; then
  32     echo "Test thumbnailer against arguments and report exit status."
  33     echo "Resulting thumbnails are written to the current directory."
  34     echo "Example: sh $0 corpus/*.?blorb"
  35     echo "General usage: $0 [options] [files]"
  36     echo "Options: -c path/to/alternate-thumbnailer [default $canonical]"
  37     echo "         -s 120   [thumbnail size in pixels square]"
  38     exit
  39 fi
  40
  41 if [ $program_name = $canonical ] && [ ! -e $canonical ]; then
  42     echo $canonical not found.
  43     exit
  44 fi
  45
  46 for pathname in "$@"; do
  47     basename=`basename "$pathname"`
  48     "$program_name" "$pathname" "$basename.png" $size > /dev/null
  49     echo -e $? "\t" $pathname
  50 done