Why not: 

system 'ren *.txt *.html';

[download]

Or just type it on the command line.

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re: Changing file extensions by BrowserUk
in thread Changing file extensions by sowais

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