Does anyone have patch and not man? 
$res = qx/man patch/;
my $dry_option;
$dry_option = '--dry-run' if($res =~ /--dry-run/);
$dry_option = '--check' if($res =~ /--check/);

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In reply to Re: OpenBSD's patch by codiac
in thread OpenBSD's patch by sedusedan

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