启动脚本

#!/bin/bashWORK_DIR=/data/nginxCOMM_DIR=$WORK_DIR/sbin/nginxNAME=nginxPID=$WORK_DIR/logs/nginx.pidstart() {if [ -f $PID ];then    echo "nginx is running"else$COMM_DIR   if [ -f $PID ];     then        echo "nginx is started"        exit 0      else        echo "nginx start is bad"        exit 1  fifi}stop() {if [ -f $PID ];  then    $COMM_DIR -s stop    echo "nginx is stoped"  else    echo "nginx: [error] open() "/data/nginx/logs/nginx.pid" failed (2: No such file or directory)"    exit 1fi       }restart() {if [ ! -f $PID ];  then    echo "nginx: [error] open() "/data/nginx/logs/nginx.pid" failed (2: No such file or directory)"  else     $COMM_DIR -s stop     sleep 3     $COMM_DIRfi}reload() {if [ ! -f $PID ];  then    echo "nginx: [error] open() "/data/nginx/logs/nginx.pid" failed (2: No such file or directory)"  else     $COMM_DIR -s reloadfi}chk() {if [ ! -f $PID ]  then     echo "nginx: [error] open() "/data/nginx/logs/nginx.pid" failed (2: No such file or directory"  else    $COMM_DIR -tfi}case $1 instart)    start;;stop)    stop;;restart)    restart;;reload)     reload;;chk)   chk;;*)echo "Usage:$0 {start|stop|restart|reload|ehk}";;esac