On Wednesday 26 May 2010 15:49:37 Andros Zuna wrote:
> Hi!
> I am trying to write a perl code that will retry the same command over
> and over again until the return value is 0.
> This is what I got for now:
>
> #! /usr/bin/perl
> use warnings;
> use strict;
>
> $command = 'ls -l';
>
> if (system($command) == 0) {
> }
> elsif(system($command != 0)) {
That should be <<elsif (system($command) != 0)>> - you've misplaced the
parentheses.
> print "Failed to execute: $command\n";
> my $c++
> }
>
> I'm not shure to test it, because I don't know any unix commands that
> gives other than 0 in return
> (I'm a n00b, but willing and trying to learn), could anyone please
> take a look and see if this is correct, and if not, help me??
There's always "false" and "test":
* http://en.wikipedia.org/wiki/True_and_false_%28Unix%29
* http://en.wikipedia.org/wiki/Test_%28Unix%29
Regards,
Shlomi Fish
>
> Tnx :)
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