[Pugged] php system() command

[Steve Langasek]

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On Tue, Aug 27, 2002 at 05:38:02PM -0000, dave@visionary.com wrote:
> I'm trying to run an external command for a pdf generator - it's the
> Fytek "pdffile". We have an app that uses the win32 version. They
> recently released a Linux version and we're trying to port it over.

> The Fytek people don't know much about linux... their app is written in
> Perl, and they used PerlApp to "compile" it into a binary.

> I can run the "pdffile" binary from the command line and it generates
> PDF's just fine.

> I'm attempting to do it from PHP using this:

> <?
> system("pdffile source.rpt output.pdf");
> ?>

> I think the problem is that the binary is trying to use /root/tmp for
> it's temporary files. Apache is running as nobody, and nobody can't
> write to /root/tmp. (That doesn't sound grammatically correct...)

> I've tried variations of this script with putting the full path in and
> such... but here's the general idea:

> #!/bin/bash
> export TMP=/tmp
> ./pdffile $1 $2

> Again, I can run this from the cmd line and it works.

> Any ideas on this?

Best solution: fix the TMPDIR setting in Apache's environment, so that it
doesn't think it should be using /root/tmp to begin with.  This ought to
be as simple as an 'unset TMPDIR' in your system's Apache startup script.

I don't know why they suggested changing a variable named 'TMP'; the
canonical Unix variable is 'TMPDIR'.

Steve Langasek
postmodern programmer

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