too many arguments........

RouterGhost

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#!/bin/sh
# Program:
# Kill the three processes named with 'a','b' and 'c' in absolute path.
# History:
# 2010/12/21 YangBo Fourth Release

PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
export PATH

#Tell if the three processes exist
if [ -n `ps -ef|grep $PWD/a|grep -v grep` ] &&
  [ -n `ps -ef|grep $PWD/b|grep -v grep` ] &&
  [ -n `ps -ef|grep $PWD/c|grep -v grep` ] ;then
  echo "The three processes do not exist.Program Terminate... "
  exit 0
fi

#kill the three processes named with 'a','b' and 'c' in absolute path
##kill a
if ! [ -n `ps -ef|grep $PWD/a|grep -v grep` ];then  
  kill -9 `ps -ef|grep $PWD/a|grep -v grep|awk '{print $2}'`
else
  echo "Process:"${PWD}/"a not found "
fi
##kill b
if ! [ -n `ps -ef|grep $PWD/b|grep -v grep` ];then  
  kill -9 `ps -ef|grep $PWD/b|grep -v grep|awk '{print $2}'`
else
  echo "Process:"${PWD}/"b not found "
fi
##kill c
if ! [ -n `ps -ef|grep $PWD/c|grep -v grep` ];then  
  kill -9 `ps -ef|grep $PWD/c|grep -v grep|awk '{print $2}'`
else
  echo "Process:"${PWD}/"c not found "
fi


#Tell if the three processes are still alive
if [ -n `ps -ef|grep $PWD/a|grep -v grep` ] &&
  [ -n `ps -ef|grep $PWD/b|grep -v grep` ] &&
  [ -n `ps -ef|grep $PWD/c|grep -v grep` ] ;
  then echo "The thee processes have been killed sucessfully"
fi
  
#exit
exit 0

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[ -n `ps -ef|grep $PWD/a|grep -v grep` ]  
[ -n `ps -ef|grep $PWD/b|grep -v grep` ]

出现错误： [too many arguments。。

问一下，有没有好的方法吗？

xiaopan3322

查一下类似这种语句，看看是否返回了两个值：
kill -9 `ps -ef|grep $PWD/a|grep -v grep|awk '{print $2}'`

RouterGhost

kill 没问题，只是if的判断有问题，好像是[ ]内部的参数过多而引起的，我只是想判断某个进程是否存在，如果三个指定的进程不存在即[ -n .....]的话，显示一段语句，然后退出，

如何避免 参数过多这个问题？
`ps -ef|grep $PWD/a|grep -v grep|awk '{print $2}'` 返回一个值，进程号，运行时kill没问题

RouterGhost

没有人吗

nelab

[ -n "`ps -ef|grep $PWD/b|grep -v grep`" ]

ywlscpl

对于[ ]中的变量，如何无法确保其不会为空，最好用""括起来

bluewaterray

看标题，想到xargs