val=$(expr "$psnr" : ".*$3: *\([0-9.]*\)")
size1=$(expr "$psnr" : '.*bytes: *\([0-9]*\)')
size2=$(expr "$psnr" : '.*bytes:[ 0-9]*/ *\([0-9]*\)')
- res=$(echo "$val $4 $5" | bc)
+ res=$(echo "if ($val $4 $5) 1" | bc)
if [ "$res" != 1 ] || [ $size1 != $size2 ]; then
echo "$psnr"
return 1