That's just a normal call to open that tries to open a pipe.

In what way does it not work? You should emit error messages like this: 

open SYSCALL, "$hlcmd |" or die "Can't start '$hlcmd': $!";

[download]

That way you have a chance to find out what's wrong when it doesn't work.

Perl 6 - links to (nearly) everything that is Perl 6.

In reply to Re: Perl SYSCALL by moritz
in thread Perl SYSCALL by tim.mcintosh

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