In brief

I have separate sub inside my project

sub retcode_full_test {
    # code taken from perldoc -f system
    if ($? == -1) {
        G::abend("failed to execute: $!");
    }
    elsif ($? & 127) {
        G::abend(sprintf("child died with signal %d, %s coredump", ($?
+ & 127),  ($? & 128) ? 'with' : 'without'));
    }
    else {
        return $? >> 8;
    }
}
[download]

I've thought, that it would be better and it may be possible

sub retcode_full_test {
    # code taken from perldoc -f system
    if ($? == -1) {
        G::abend("failed to execute $?????: $!");
    }
    elsif ($? & 127) {
        G::abend(sprintf("$????? died with signal %d, %s coredump", ($
+? & 127),  ($? & 128) ? 'with' : 'without'));
    }
    else {
        return $? >> 8;
    }
}
[download]

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