mycompete

#!/bin/bash
# mycompete

if [ $# -eq 0 ]; then
   echo "usage: compete <n> <player1-classname> <player2-classnames(s)>" >&2;
   echo "       n    number of rounds for p1 vs. p2 and p2 vs. p1 (so 2n rounds total)" >&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";
p1="$2";
shift;
shift;
#echo "rounds,$n";

echo "ID,OPPONENT ID,WINS,LOSSES,DRAWS"
for p2 in "$@"; do
    echo -n "$p1,$p2"
    results=(0 0 0);
    for ((j=0; j< n; j+=1)); do
        match "$p1" "$p2";
        i=$?
        results[i]=$((${results[$i]} + 1))

        # Now match the other way.
        match "$p2" "$p1";
        i=$?
        if [ "$i" -eq 0 ]; then
            i=1;
        elif [ "$i" -eq 1 ]; then
            i=0;
        fi
        results[i]=$((${results[$i]} + 1))
    done
    echo ",${results[0]},${results[1]},${results[2]}"
done