#!/bin/bash count=20 FAIL=0 while : do for i in $(seq $count); do ./test_checkpoint -h WT_TEST."$i" -t f -W 3 -r 2 -s 1 -x -n 100000 -k 100000 -D > WT_TEST."$i".txt & pids[${i}]=$! done for pid in ${pids[*]}; do wait $pid || let "FAIL+=1" done if [ "$FAIL" == "0" ]; then echo "Run OK!" else echo "FAIL! ($FAIL)" break fi done