#!/bin/sh

# IsImageOk.sh
# 2007-07-16
# Chieh Cheng
# http://www.CynosureX.com/

# GNU General Public License (GPL) Version 2, June 1991

scriptName=`echo $0 | sed s/\\\\/.*\\\\///g`

if [ $# -ne 1 ]
then
  echo "  Usage:   $scriptName \"image\""
else
    file="$1"
    result=`identify "${file}" 2>&1`
    if [ "${result}" = "" ]
    then
      result=0
    else
      result=`identify "${file}" 2>&1 | egrep -c "[0-9]+x[0-9]+"`

      corrupt=`identify "${file}" 2>&1 | grep -c "Corrupt"`
      if [ $corrupt -ne 0 ]
      then
        result=0
      fi
    fi
    echo $result
fi