Take a look at the assoc and ftype commands: 

c:\test>assoc .pl
.pl=Perl

c:\test>ftype Perl
Perl="c:\perl\bin\perl.exe" -sw "%1" %*

[download]

They can be used to both query and set the associations and are very easy to drive via backticks.

The alternative is digging around in the registry, which is a pain to do and easy to get wrong.

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.
"Too many [] have been sedated by an oppressive environment of political correctness and risk aversion."

In reply to Re: Getting File Types data by BrowserUk
in thread Getting File Types data by merrymonk

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