bruce wrote:
> if i understand correctly, you want to run a system cmd from inside a php
> app. you also want to return/display the result of the system action.
well I wanted to grab the output so that I could parse it and determine
what went wrong if anything did go wrong - (and possibly dump the output to screen
if the script is in 'debug' mode)
>
> here's a sample of what i use in a php/cli test app. if i recall, i've done
> the same thing in php web apps as well..
>
> $rm_conf = "rm -f /svntest/%s/conf/svnserve.conf";
> $symlink = "ln -s %s/svnserve.conf /svntest/%s/conf/svnserve.conf";
>
> $rm_conf1 = sprintf($rm_conf, $collegerepos);
> $symlink1 = sprintf($symlink, $col_base, $collegerepos);
> $res = system($rm_conf1, $rval);
> if($rval == 0)
> {
> print "successful remove ".$collegerepos." svnserve.conf\n";
> }
> else
> {
> print " screwed up remove svnserve.conf -- ".$res. "\n";
> exit();
> }
>
> the $res is the resulting output of the cmd, the $rval is the returned err
> val of the cmd...
thanks for your help - I did actual fix the problem already - it turned out
to a 'you gotta redirect stderr thang'
>
>
>
> -----Original Message-----
> From: Stut [mailto:stuttle@xxxxxxxxx]
> Sent: Tuesday, November 28, 2006 3:40 AM
> To: Jochem Maas
> Cc: [php] PHP General List
> Subject: Re: CLI script & exec() - how to control what gets dumped
> on the screen.
>
>
> Jochem Maas wrote:
>> I have been trying to figure out how to use exec to run some
>> commandline scripts (some perl scripts & mysql in this case) WITH the
>> output of the commands run via exec being shown on the screen.
>>
>> neither of these examples have the desired effect:
>>
>> $output = array(); $exit = 0; exec('apache2ctl graceful', $output,
>> $exit);
>>
>>
>> $output = array(); $exit = 0; @exec('apache2ctl graceful', $output,
>> $exit);
>>
>> please someone tell me there is a decent way to do this (something to
>> do with STD input/output redirection or something?) and that I'm not
>> left with trying something like:
>>
>> ob_start(); $output = array(); $exit1 = $exit2 = 0; @exec('apache2ctl
>> graceful', $output, $exit1); ob_end_clean();
>>
>> ... of which I don't even know if it would work.
>>
>> anyone care to share their clue?
>
> Chances are that the output is being sent to stderr instead of stdout.
> You need to redirect stderr output to stdout in the command...
>
> exec('apache2ctl graceful 2>&1', $output, $exit);
>
> Also, in my experience it's better to provide the full path to anything
> you shell out to from PHP, especially if it's going to be executed from
> a web request.
>
> -Stut
>
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