HashProgramOutput.sh

   1 #!/bin/sh
   2
   3 if [ $# != 1 ]; then
   4   echo "$0 <output path>"
   5   exit 1
   6 fi
   7
   8 md5cmd=$(which md5sum)
   9 is_md5sum=1
  10 if [ ! -x "$md5cmd" ]; then
  11     md5cmd=$(which md5)
  12     is_md5sum=0
  13     if [ ! -x "$md5cmd" ]; then
  14         echo "error: unable to find either 'md5sum' or 'md5'"
  15         exit 1
  16     fi
  17 fi
  18
  19 mv $1 $1.bak
  20 if [ $is_md5sum = "0" ]; then
  21     $md5cmd < $1.bak > $1
  22 else
  23     $md5cmd < $1.bak | cut -d' ' -f 1 > $1
  24 fi
  25 rm -f $1.bak