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Date: Fri, 14 Feb 2003 14:01:03 +0000
From: Daniel Bye <dan@slightlystrange.org>
To: BSD Questions <freebsd-questions@freeBSD.org>
Subject: Re: syntax problem in /etc/csh.login
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On Fri, Feb 14, 2003 at 01:10:15PM +0100, Colin J. Raven wrote:
> Greetings all!
> Trying to create a custom login message for csh users. 
> I put the following in /etc/csh.login
> <snip>
> ###############################################
> if [ `whoami` = user1 ]; then
> echo ""
> echo -e "This is a test message for user1" && \
> echo ""
> else
> if [ `whoami` = user2 ]; then
> echo ""
> echo -e "This is a test message for user2" && \
> echo ""
> else
> if [ `whoami` = test ]; then
> echo ""
> echo -e "This is a test message for user test" && \
> echo ""
> fi
> ###################################################
> </snip>
> and got an error upon subsequent login as user "test":
> "if: Expression Syntax." (without parens)
> 
> Anyone got any idea what I'm doing wrong? 
> Guess: csh syntax is different from bash but beyond that I'm stumped.

Further guess (but informed by a brief read-up in UNIX in a Nutshell):

The conditions for an 'if' statement should be enclosed in parentheses,
rather than using the [ or test.  However, it may still do funky stuff
with the command substitution...

The block syntax for "if" statements is:

if (expr) then
    cmds
endif

===========

if (expr) then
    cmds
else 
    cmds
endif

==========

if (expr) then
    cmds
else if (expr) then
    cmds2
else
    cmds3
endif

HTH,

Dan

-- 
Daniel Bye

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