pdfrotate/pdfflop

   1 #!/bin/bash
   2
   3 true <<EOF
   4 =pod
   5
   6 =head1 NAME
   7
   8 pdfflop - Flop a PDF file's pages
   9
  10 =cut
  11
  12 EOF
  13
  14
  15 set -e
  16 set -o pipefail
  17 set -u
  18
  19 input=''
  20 output=''
  21
  22 while [ $# -gt 0 ]
  23 do
  24         case "$1" in
  25         --outfile|-o)
  26                 shift
  27                 output=$1
  28                 ;;
  29         -*)
  30                 echo "pdfflop: unknown option: $1" >&2
  31                 exit 1
  32                 ;;
  33         *)
  34                 if [ -z "$input" ]
  35                 then
  36                         input=$1
  37                 else
  38                         echo "pdfflop: extra argument: $1" >&2
  39                         exit 2
  40                 fi
  41                 ;;
  42         esac
  43         shift
  44 done
  45
  46 pdf90 "$input" -o /dev/stdout | pdfflip /dev/stdin -o /dev/stdout | pdf270 /dev/stdin -o "$output"