【shell 脚本】备份最后一天所有修改的文件-白红宇

#!/bin/bash

#backup.sh

BACKUPFILE=backup-`date +"%F"`#在备份文件中嵌入时间.

echo `date +"%F"`

echo $BACKUPFILE

archive=${1:-$BACKUPFILE}

# 如果在命令行中没有指定备份文件的文件名,

#+ 那么将默认使用"backup-MM-DD-YYYY.tar.gz".

#if [ -z $1 ]

# then

# archive=$BACKUPFILE

#else

# archive=$1.tar.gz

#fi

tar cvf - `find . -mtime -1 -type f -print` > $archive.tar

gzip $archive.tar

echo $archive.tar

echo "Directory $PWD backed up in archive file \"$archive.tar.gz\"."

exit 0

===测试结果==

root@client.example.com ~/yang # ./backup.sh lizhe

2011-03-14

backup-2011-03-14

./showcol.sh

./.swp

./read.sh

./password.sh

./backup.sh

./getPro.sh

./showcolor.sh

./length.sh

./background-loop.sh

./backup-2011-03-14.tar.gz

./yang.tar.gz

lizhe.tar

Directory /root/yang backed up in archive file "lizhe.tar.gz".

不带参数

root@client.example.com ~/yang #

./backup.sh

2011-03-14

backup-2011-03-14

./showcol.sh

./.swp

./read.sh

./password.sh

./backup.sh

./getPro.sh

./showcolor.sh

./length.sh

./background-loop.sh

./yang.tar.gz

backup-2011-03-14.tar

Directory /root/yang backed up in archive file "backup-2011-03-14.tar.gz".

root@client.example.com ~/yang # ls

1.txt background-loop.sh b.txt length.sh read.sh test.txt yang.tar.gz

backup-2011-03-14.tar.gz getPro.sh

lizhe.tar.gz showcolor.sh today.backup

a.txt backup.sh io.sh password.sh showcol.sh today.txt