I ran a few tests as well and the few system commands I tried only saved the
*last* line of the output in a variable on success as the manual suggests it
should - better than nothing - but not the entire output as you seem to
suggest you were able to do and what I have been trying to do.

"Analysis & Solutions" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> On Wed, Jul 10, 2002 at 12:14:58PM -0700, Fargo Lee wrote:
> >
> > This suggests, as do a few posts I just noticed in the manual,  that
> > one cannot assign the output of system() and perhaps passthru() and
exec()
> > to a variable.
>
> I forgot to mention, that's not accurate.  I just ran a test to make sure.
> Got the results just fine.
>
> Just for clarity, here's my test (PHP 4.2.1, NT 4.0):
>
> #   real directory.
> #   result:  output shows file list, false no, return 0
> #   $output = system('dir c:\books', $return_var);
>
> #   fake directory.
> #   result:  output shows nothing, false yes, return 1
>    $output = system('dir y:\fake', $return_var);
>
>    echo "output: $output";
>    echo '<hr />';
>    echo 'output false? ' . ( ($output == FALSE) ? 'yes' : 'no' );
>    echo '<hr />';
>    echo "return: $return_var";
>
>
> --Dan
>
>
>  I think this is only possible using backticks, which I can't
> > use as this needs to be run in safe mode. So I guess I just need to use
the
> > return_var as you suggested. Thanks!
> >
> > "Analysis & Solutions" <[EMAIL PROTECTED]> wrote in
message
> > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > > On Tue, Jul 09, 2002 at 11:41:47PM -0700, Fargo Lee wrote:
> > >
> > > > got it to assign a 0 (success) or 1 (failure) to the return_var
argument
> > as
> > > > you suggested so I am happy.
> > >
> > > Good!
> > >
> > >
> > > > What mixed me up and I still don't understand is the manual entry
for
> > > > system() says ...
> > > >
> > > > "Returns the last line of the command output on success, and FALSE
on
> > > > failure."
> > > >
> > > > When it says it "Returns", where does it return this information and
how
> > can
> > > > it be captured for comparison?
> > >
> > > The thing that's tripping you up is, I believe, executing MySQL
programs
> > > at a prompt doesn't produce any visible output.  But, if you executed
a
> > > command that returns some output to STDOUT, like "ls", you'd see the
last
> > > line of output therefrom in the "Return."
> > >
> > > --Dan
> > >
> > > --
> > >                PHP classes that make web design easier
> > >         SQL Solution  |   Layout Solution   |  Form Solution
> > >     sqlsolution.info  | layoutsolution.info |  formsolution.info
> > >  T H E   A N A L Y S I S   A N D   S O L U T I O N S   C O M P A N Y
> > >  4015 7 Av #4AJ, Brooklyn NY     v: 718-854-0335     f: 718-854-0409
> >
> >
> >
> > --
> > PHP General Mailing List (http://www.php.net/)
> > To unsubscribe, visit: http://www.php.net/unsub.php
>
> --
>                PHP classes that make web design easier
>         SQL Solution  |   Layout Solution   |  Form Solution
>     sqlsolution.info  | layoutsolution.info |  formsolution.info
>  T H E   A N A L Y S I S   A N D   S O L U T I O N S   C O M P A N Y
>  4015 7 Av #4AJ, Brooklyn NY     v: 718-854-0335     f: 718-854-0409



-- 
PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php

Reply via email to