[CentOS] how to do repetetive command in shell
Tony Schreiner
tony.schreiner at bc.edu
Thu Oct 21 18:59:11 UTC 2010
On Oct 21, 2010, at 2:50 PM, Pintér Tibor wrote:
>
>> USER1="roland"
>> USER2="dany"
>> USER3="kevin"
>>
>>
>> cp -r /opt/$USER1/test /backup/$USER1
>> cp -r /opt/$USER2/test /backup/$USER2
>
> $ for user in one two three four; do echo $user; done
> one
> two
> three
> four
>
or if the list of users is in a file, one per line
$ cat file
roland
dany
kevin
$
$ cat file | while read name
do
something $name
done
Tony
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