example02.03

来自「UNIX[1].shell范例精解(第4版)_code」· 03 代码 · 共 21 行

#!/bin/sh 
if [ -f file ]
  then
	echo file exists
fi
 
if [ -d file ] 
  then
 	 echo file is a directory
fi

if [ -s file ] 
  then
	 echo file is not of zero length 
fi

if [ -r file -a -w file ]
  then
	 echo file is readable and writeable
fi