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Date:	Tue, 11 Sep 2001 10:44:32 +0100
Message-ID:	<7996-Tue11Sep2001104432+0100-starksb@ebi.ac.uk>
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	VM 6.92 under Emacs 20.7.1
From:	David Starks-Browning <starksb AT ebi DOT ac DOT uk>
MIME-Version:	1.0
To:	Corinna Vinschen <cygwin AT cygwin DOT com>
Subject:	output allowed in .bashrc and .tcshrc (Was: Virus Found)
In-Reply-To:	<20010911111946.A1285@cygbert.vinschen.de>
References:	<20010911004146 DOT H937 AT cygbert DOT vinschen DOT de>
	<8F23E55D511AD5119A6800D0B76FDDE101A26A59 AT cpex3 DOT channelpoint DOT com>
	<59jqpt4f25eochmtlslvv9nodngnkeeo3d AT 4ax DOT com>
	<5 DOT 1 DOT 0 DOT 14 DOT 2 DOT 20010911020929 DOT 00ac0fc0 AT imap DOT local DOT mscha DOT com>
	<20010911111946 DOT A1285 AT cygbert DOT vinschen DOT de>

On Tuesday 11 Sep 01, Corinna Vinschen writes:
> ... If your login shell is bash and bash has been started by
> rshd/sshd, it executes ~/.bashrc.  So the rule is, no output in
> ~/.bashrc.
> 
> And, IIRC, the same rule applies for tcsh and ~/.cshrc.

Just to be precise and complete...

That's almost correct.  Your *are* allowed to generate output in
.bashrc (and in .cshrc for tcsh) for *interactive* shells only.  The
usual way to test is to check for the existence of a prompt.  ($PS1 in
bash, $prompt in tcsh.)  If no prompt is defined, you must not
generate *any* output.

Hope this helps.

Regards,
David


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