You could edit the file in place from the command line like this

perl -pi.bak -e 'tr{A-Za-z}{a-zA-Z};' filename

[download]

You will need to use double-quotes if on MS Windows.

Cheers,

JohnGG

In reply to Re: uppercase/lowercase in a single expression by johngg
in thread uppercase/lowercase in a single expression by greatshots

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