compete

#!/bin/bash
# compete

if [ $# -eq 0 ]; then
   echo "usage: compete <n> <classnames(s)>" >&2;
   echo "       n    number of rounds" >&2;
   echo "creates a CSV output for the competition.">&2;
   exit 2;
fi

function match()
{
    local p1="${1%%.class}";
    local p2="${2%%.class}";
    # Uncomment to just play with the formatting.
    #return 0;
    output="$(java -cp . Main -text -p1 "$p1" -p2 "$p2" | tail -1)"
    if [ "$output" == "Player 1 won" ]; then
        return 0;
    elif [ "$output" == "Player 2 won" ]; then
        return 1;
    elif [ "$output" == "Draw Game" ]; then
        return 2;
    else
        echo "error: failed to decipher win/loss/draw on output: '$output'" >&2;
        return 3;
    fi
}

n="$1";
shift;
#echo "rounds,$n";

for p2 in "$@"; do
    echo -n ",,$p2,"
done
echo
for p2 in "$@"; do
    echo -n ",WIN,LOSS,DRAW"
done
echo
for p1 in "$@"; do
    echo -n "$p1"
    for p2 in "$@"; do
        results=(0 0 0);
        if [ "$p1" != "$p2" ]; then
            for ((j=0; j< n; j+=1)); do
                match "$p1" "$p2";
                i=$?
                results[i]=$((${results[$i]} + 1))
            done
            echo -n ",${results[0]},${results[1]},${results[2]}"
        else
            echo -n ",,,"
        fi
    done
    echo
done