Shell脚本文件操作

Linux Shell

http://baike.baidu.com/link?url=2LxUhKzlh5xBUgQrS0JEc61xi761nvCS7SHJsa1U1SkVbw3CC869AoUCyKT0zxIM

# Sample.sh
# 判断参数个数和第2/3个参数，括号要留空格
 1  if ( [ $# !=  ] && [ $# !=  ] ) || ( [ $ != "-Path" ] && [ $ != "-Path" ] )
     then
         echo "example: ***"
         exit
 fi
 
 if [ $ == "set" ] && [ $ == "-pm" ]
    then
# bash/pdksh不能在等号两侧留下空格
      PATH=$4
    else
      PATH=$3
 fi
 

# 删除已经存在文件
14 if [ -e $PATH/out.txt ]
    then
       rm $PATH/out.txt
 fi

# 调用程序
19 if [ $ == "set" ] && [ $ == "-pm" ]
    then
      $/sample.sh $ $ -Path $/config $ $
    else
      $/sample.sh $ -Path $/config $ $
 fi