A side comment having nothing to do with the question you asked. 
    while ($HTMLLine=<HTMLFNH>) {
        chomp $HTMLLine;
        print "$HTMLLine\n";
    }

[download]
This seems odd. Chomp removes the trailing newline, only to have it added again for the print. I suspect that there's some cargo-cult programming involved here. 
    while ($HTMLLine=<HTMLFNH>) {
        ... whatever you need to do for interpolation
        print $HTMLLine;
    }

[download]
should be sufficient.

In reply to Re: Display $var content by dws
in thread Display $var content by akm2

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