PERL Beginners - RE: working directory with exec command

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RE: working directory with exec command

Bob Showalter

2004-05-18, 10:32 am

Peterson, Darren - Contractor.Westar wrote:
> I'm trying to use fork and exec to kick-start other processes on a
> Linux box. As with Win32::Process::Create, I'd like to somehow
> specify or point towards a working directory for the new process
> since some data files are expected via relative path. I actually
> tried passing a compound command such as "cd
> /home/otbsaf/OTBSAF/src/OTBSAF;./otbsaf" to exec to hope a directory
> switch would happen as I intended. The new process displays its
> current directory and the directory shown was that from which the
> perl script was running, not the hoped for otbsaf.

Just use Perl's chdir() after you fork:

defined(my $pid = fork) or die $!;
unless ($pid) {
chdir('/home/otbsaf/OTBSAF/src/OTBSAF') or die $!;
exec './otbsaf' or die $!;
}

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