detectfile

#!/bin/bash
# Program:
#	User input a filename, program will check the flowing:
#	1.) exist? 2.) file/directory? 3.) file permissions 
# History:
# 2005/08/25	VBird	First release
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
export PATH

# 1. 让使用者输入档名，并且判断使用者是否真鐨????输入字串？
echo -e "Please input a filename, I will check the filename's type and \
permission. \n\n"
read -p "Input a filename : " filename
test -z $filename && echo "You MUST input a filename." && exit 0
# 2. 判断文件是否存在？若不存在�??显示信息并结束脚本
test ! -e $filename && echo "The filename '$filename' DO NOT exist" && exit 0
# 3. 开始判断文件类型与灞????
test -f $filename && filetype="regulare file"
test -d $filename && filetype="directory"
test -r $filename && perm="readable"
test -w $filename && perm="$perm writable"
test -x $filename && perm="$perm executable"
# 4. 开始输出资讯！
echo "The filename: $filename is a $filetype"
echo "And the permissions are : $perm"