script.sh

#!/bin/bash
# How does this look?
# ./script.sh -u zipp -o results -f "index.php test.php crap.php"

while getopts u:o:f: option
do
    case "${option}"
    in
        u) USER=${OPTARG};;
        o) OUTDIR=${OPTARG};;
	f) FILES=${OPTARG};;
    esac
done

for FILE in "$FILES"
do
    if [ ! -f $OUTDIR/$FILE.perf.html];
        touch $OUTDIR/$FILE.perf.html
        if [$? == 1]; then
            echo 'Cannot create a file at the set pach. Check file permissions or setsudo bit '
            exit
        fi
    fi

    for i in 1 2 4 8 16 20 30 40
    do
	ab -A "$USER" -w -n 1000 -c $i $FILE >> $OUTDIR/$FILE.perf.html
    done
done