The first step when getting an internal server error would typically be to check the error log of the webserver.

The script goes fine in the terminal but as the html file is too large...

How large is the HTML?  Maybe the webserver process is running under a memory limit lower than your terminal user?   (assuming you've verified that the CGI script runs in principle...)

In reply to Re^3: Parse HTML content by Eliya
in thread Parse HTML content by mailmeakhila

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