#!/bin/sh
  
  usage="$0 <ctm validation script location> [-v]"
  
  if [ "$#" -lt '1' ]; then
      echo Script missing
      echo $usage
      exit 1
  fi
  
  ctm=$1
  if [ ! -x "$ctm" ]; then
  	echo Script not executable
      echo $usage
      exit 1
  fi
  
  if [ "$2" = '-v' ] ; then 
      verbose=true
  else
      verbose=false
  fi
  
  for file in test*.ctm ; do
    if [ -f "$file.toskip" ] ; then
       echo "(skipping) Testing $file..."
    else
      echo "Testing $file..."
      base=`echo $file | perl -pe 's/.ctm//'`
      log="$base.log.saved"
      tmp="$base.log.tmp"
      
      if [ ! -f "$log" ] ; then
  		perl $ctm -i $file > $log
      fi
  
      perl $ctm -i $file > $tmp
      diff_status=`diff $log $tmp | wc -l`
  
      if [ $diff_status -ne 0 ] ; then
  		echo "   Output log differs from saved log"
  		
  		if [ $verbose = true ] ; then
  			diff $log $tmp | sed 's/^/   /'
  		fi
                  # exit with error status
                  exit 1
  
  	else
  		rm $tmp
      fi
    fi
  done
  
  # exit with ok status
  exit 0