#!/bin/bash function main() { echo "start:`date +%T`" time fileop -f $FILEOP_CNT -t 2>>$LOG_FILE 1>>$LOG_FILE #in this example it creates 2 directories.In each directory 2 subdirectories are created and in each subdirectory 2 files are created. if [ $? -ne 0 ]; then echo "end:`date +%T`" return 11; else echo "end:`date +%T`" return 0; fi } main "$@";