Your line 12: 

      elsif ($subarg[0] = undef) {

[download]

Always evaluates to true. You probably meant: 
    elsif ($subarg[0] == undef) {

[download]
s//----->\t/;$~="JAPH";s//\r<$~~/;{s|~$~-|-~$~|||s |-$~~|$~~-|||s,<$~~,<~$~,,s,~$~>,$~~>,, $|=1,select$,,$,,$,,1e-1;print;redo}

In reply to Re: Reply to replies and update by starbolin
in thread Confused about 'Name "main::whenfound" used only once:' by Maze

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