bin/103845: sha256 /dev/acd0 returns immediately

Bruce Evans bde at
Sat Sep 30 08:50:28 PDT 2006

The following reply was made to PR bin/103845; it has been noted by GNATS.

From: Bruce Evans <bde at>
To: Helmut Schellong <var at>
Cc: freebsd-gnats-submit at
Subject: Re: bin/103845: sha256 /dev/acd0  returns immediately
Date: Sun, 1 Oct 2006 01:36:04 +1000 (EST)

 On Sat, 30 Sep 2006, Helmut Schellong wrote:
 > Before sending the bug-report I had read  man sha256.
 > The man page tells nothing about act as a filter (isatty(0))
 > or special files (stat()).
 > I had searched for an option too.
 Any program that transforms stdin to stdout is a "filter", but only
 the source code mentions "filter".

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