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From: Doug McIlroy <doug@cs.dartmouth.edu>
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Date: Fri, 03 Jan 2020 21:58:56 -0500
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Subject: Re: [TUHS] sh: cmd | >file
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> I'm interested in the possible motivations for a redirection to be
> a simple command.

I use it to truncate a file to zero length.
Or to create (an empty) file.

Doug