Consider the two lines:

my $r = shift;
...
$out = $r->spawn_proc_prog($command);

[download]

and think about what $r actually can contain, and what it needs to contain to be dereferenced (see perlref). Keep in mind that shift is acting on @ARGV here.

DWIM is Perl's answer to Gödel

In reply to Re: Need help with Apache2::Subprocess undefined value error when using spawn_proc_prog by GrandFather
in thread Need help with Apache2::Subprocess undefined value error when using spawn_proc_prog by aels

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