Actually I don't think the sub prototype has any use at all here, nor did it do ever do anything useful in the past, so I'd just drop it. 
sub show {
   ...
}

[download]
Further down I can also see 
sub sh (@){

[download]
which is similarly useless, so make that: 
sub sh {

[download]

In reply to Re^2: TinyMake module gives warning by bart
in thread TinyMake module gives warning by sam_bakki

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