#!/usr/bin/env bash
# Simple shell script to test programs gsys1..gsys6
# Each program is run as:  gsysI <in.N >out.N.gsysI

for prog in 1 2 3 4 5 6
do
    let errors=0
    echo "Testing gsys$prog..."
    for infile in in.*
    do
	outfile=$(echo $infile | sed -e "s/in/out/")
	echo "    $infile --> $outfile.gsys$prog"
	gsys$prog <$infile >$outfile.gsys$prog 2>&1
	if [ -e $outfile ]
	then
	    if diff -q -b -B $outfile $outfile.gsys$prog
            then
	        : # echo "    no error detected"
	    else
                # echo "INCREMENTING ERRORS because of $outfile.gsys$prog..."
	        let errors=errors+1
	    fi
	else
	    echo "    Error: cannot find sample output: $outfile"
	fi
    done
    echo "... $errors errors detected in gsys$prog."
    echo ""
done