Bash example

[Florent Charton]

Le 21/08/2009 13:38, Nils Kassube a écrit :
> Florent Charton wrote:
>   
>> A solution among others :
>> rmdir_if_exists() {
>>     [ $# -eq 1 ] || (echo "Need the directory name" >&2 ; exit 1)
>>     [ -d "$1" ] && rm -iRfv "$1"
>> }
>>     
[Changed to no more quote erroneous script]
> Kids, don't try this at home!
>
> $0 is the binary of the shell which you definitely DON'T want to remove. 
> Or if you put this in a script it is the script itself. Yes, I know 
> there is a test for a directory before the rm command but someone who 
> tries to make this work might get rid of the test.
>   
Sorry for my mistake. And in addition, $0 refers to the first "word" of
the command, so it would be rmdir_if_exists, didn't it ?
> Florent, please TEST dangerous commands like the above on your own 
> machine before you post it on a list where there are newbies who might 
> render their system unusable.
>   
I'll remember this for the future.
> Nils
>