[英]Bash script to backup multiple directories specified in config file
I'm having some difficulties with this. 我遇到了一些困难。 Basically, for work I need a bash script that backs up a variable number of directories that are stored in a config file. 基本上,对于工作,我需要一个bash脚本来备份存储在配置文件中的可变数量的目录。
I'm sure I need to import the list from the config file and just use a loop to copy all the directories across. 我确定我需要从配置文件中导入列表,只需使用循环来复制所有目录。 I have it working for a single directory. 我让它适用于单个目录。 My code is below. 我的代码如下。 I've cut it down to a minimum. 我把它减少到最低限度。
#!/bin/sh
if [ ! -f ./backup.conf ]
then
echo "Configuration file not found. Exiting!!"
exit
fi
. ./backup.conf
unset PATH
# make sure we're running as root
if (( `$ID -u` != 0 )) ; then { $ECHO "Sorry, must be root. Exiting..."; exit; } fi ;
# attempt to remount the RW mount point as RW; else abort
$MOUNT -o remount,rw $SOURCEFILE $DESTINATIONFOLDER ;
if (( $? )); then
{
$ECHO "snapshot: could not remount $DESTINATIONFOLDER readwrite";
exit;
}
fi ;
# step 2: create new backup folder:
$MKDIR $FULLPATH
**Loop should go here**
#copy source directories to backup folder
$RSYNC \
-va --delete --delete-excluded \
--exclude-from="$EXCLUDES" \
$SOURCEFILE $FULLPATH;
The config file is as follows 配置文件如下
SOURCE=path
DESTINATION=path2
BACKUPFOLDERNAME=/laptopBackup
My question is what is the best approach to do this task. 我的问题是执行此任务的最佳方法是什么。 ie how should I format the config file to import a variable amount of paths to an array? 即如何格式化配置文件以将可变数量的路径导入数组? or is there a better way of doing this? 或者有更好的方法吗?
I'd personally do it slightly differently and have my configuration file more of a "control file". 我个人会略有不同,让我的配置文件更像是一个“控制文件”。 For example: 例如:
/path /path2 /laptopBackup
/tmp /test /bigmachine
etc.. 1 line per mount, 3 fields per line (source, destination, backupfoldername) 等。每行1行,每行3个字段(源,目的地,backupfoldername)
Then use something like : 然后使用类似的东西:
while read SOURCE DESTINATION BACKUPFOLDERNAME
do
<stuff>
done < ${configfile}
(removed the cat so as not to shame myself further :( ) (取出猫,以免进一步羞辱自己:()
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