backup

来自「UNIX+shell范例精解（第4版）代码」· 代码 · 共 15 行

#!/bin/bash
# Scriptname: backup
# Purpose: Create backup files and store
# them in a backup directory.
# 
dir=/home/jody/ellie/backupscripts
for file in memo[1-5] 
do
	if [ -f $file ]
	then
	     cp $file $dir/$file.bak
	     echo "$file is backed up in $dir"
	fi
done