Why use substr($links, 0, 1),if all your going to do is throw away the value and not use it anywhere in your code.
my $sub_extract=substr($links, 0, 1);
and then use $sub_extract for whatever you want.
rgds

In reply to Re: Useless use of substr in void context by chimni
in thread Useless use of substr in void context by mkurtis

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