#!/bin/bash echo -e "test\ttaille\tversion\texectime\tmem" for test in `seq 1 10` do taille=${RANDOM}000 for version in 1 2 3 4 do ( res=`(/usr/bin/time -f "%U\t%M" ./recherche $taille $version > /dev/null) 2>&1` echo -e "$test\t$taille\tv$version\t$res" ) & done wait done