Replace

my $head1="$...";

with

my $head1='$...';

This should work as long as there are no single quotes ' in your string.

my $head1=q{$...}; works too. For details see Quote and Quote like Operators

In reply to Re: Help in putting "$" as part of output by hexcoder
in thread Help in putting "$" as part of output by arshadmehmood118

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