shell編程測試文件權限
#!/bin/bash
#This script is used to test the file type.
#6/20/11
function usage()
{
echo "Error:Must have a parameter."
echo "Usage: "$0" filename"
exit 1
}
function permission()
{
if [ ! -e $1 ]
then
echo "Error:$1 file not find."
return 1
fi
if [ -r $1 ]
then
PERMI="r"
else
PERMI="-"
fi
if [ -w $1 ]
then
PERMI=$PERMI"w"
else
PERMI=$PERMI"-"
fi
if [ -x $1 ]
then
PERMI=$PERMI"x"
else
PERMI=$PERMI"-"
fi
echo $PERMI
return 0
}
if [ $# = 0 ]
then
usage
exit 1
fi
if MESSAGE=`permission $1`
then
echo $1":"$MESSAGE
exit 0
else
echo $MESSAGE
exit 1
fi
