#!/bin/bash err=1 until [ $err == 0 ]; do [ -f log/java0.log.0 ] && mv log/java0.log.0 "log/`date +%Y-%m-%d_%H-%M-%S`_java.log" [ -f log/stdout.log ] && mv log/stdout.log "log/`date +%Y-%m-%d_%H-%M-%S`_stdout.log" java -Xms128m -Xmx256m -jar l2jlogin.jar > log/stdout.log 2>&1 err=$? sleep 10; done