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Date: Sun, 4 Sep 2005 21:35:26 +0300
From: Giorgos Keramidas <keramida@ceid.upatras.gr>
To: "Gary W. Swearingen" <garys@opusnet.com>
Message-ID: <20050904183526.GC760@gothmog.gr>
References: <200509041830.j84IUMA2054610@freefall.freebsd.org>
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Cc: freebsd-bugs@freebsd.org
Subject: Re: bin/85712: uncompress(1) program emits bogus "overwrite?"
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On 2005-09-04 18:30, "Gary W. Swearingen" <garys@opusnet.com> wrote:
>
>  A further unimportant bug was noticed:  When the program is used with
>  a "-" arguement, it accepts standard input as the user's reply to
>  the programs prompt for y/n confirmation, so, for example
>
>  $ echo yesssssssssssssssssssssssssssssssssssssss | compress yyy - >/tmp/y
>  overwrite yyy.Z? compress: yyy: No such file or directory
>  $ d /tmp/y
>  32 -rw-r--r--  1 jojo  wheel  - 0 Sep  4 11:19:35 2005 /tmp/y
>
>  instead of sending the compressed string to /tmp/y, as advertized.

This can probably be resolved by opening /dev/tty as the "user query"
channel.  gzip(1) gets this right, so I'll have a look at the way this
is implemented in gzip and try to come up with a compress patch that
works similarly.