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Re: [Nmh-workers] Getting mhshow to invoke my browser for html parts


From: Ken Hornstein
Subject: Re: [Nmh-workers] Getting mhshow to invoke my browser for html parts
Date: Mon, 02 Jun 2014 13:21:32 -0400

>I believe that open will examine the contents of the file an invoke the right
>application to read it.  On OSX, it could be that it only invokes the
>application associated with the resource type of the file, but I am skeptical
>about that.

Respectfully ... you are wrong.  Easy enough to test: copy "foo.pdf" to
"foo.html", and then "open" it; it will open into a browser.

If you dig down into it, "open" uses Launch Services to determine the
application to use to open a particular file.  If you haven't specified
a specific application to use, it uses the filename extension.  If you
really want to be extra-careful, you can pass an -a flag to open, but
it's not necessary.

(This is the whole reason why temporary files are written out with the
correct extension).

--Ken



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