#! /bin/sh
if [ $# -le 2 ] ; then
  echo 'Usage: '`basename $0` ' dir1 dir2 list_of_files :'
  echo ' ==> do diff dir1/file dir2/file'
  echo '  for each file in list_of_files & for all tiles '
  exit
fi
chkmeta=Y
dir0=`pwd`
dir1=$1
dir2=$2
shift ; shift ; 
first=1
listnamf=$*
for zz in $listnamf
do 
 if test $first = 1 
 then
  cd $dir1
  listX=`ls $zz.*.data | sed "s/$zz.//g" | sed "s/.data//g"`
  cd $dir0
  echo ' listX=' $listX
  first=0
 fi
 echo '--> file=' $zz
 for xx in $listX
 do
   echo diff $dir1/$zz.$xx.data $dir2
   diff $dir1/$zz.$xx.data $dir2
   out=$?
   if test $out != 0 
   then echo 'Diff outp=' $out ' ==> stop'
    exit ; fi
   if test $chkmeta = 'Y'
   then
    echo diff $dir1/$zz.$xx.meta $dir2
    diff $dir1/$zz.$xx.meta $dir2
    out=$?
    if test $out != 0 
    then echo 'Diff outp=' $out ' ==> stop'
     exit ; fi
   fi
 done
done
exit