[clug] Ever received a .dat file from an <other OS> user?

[Peter Barker]

On Sat, 16 Jan 2010, steve jenkin wrote:

> Kevin Pulo wrote on 16/01/10 9:01 PM:
>
>> I thought there was a shopt or set option which is the equivalent of
>> "use strict" (and tcsh behaves this way by default when unset
>> variables are expanded), but I can't seem to find anything for it...
> Perhaps:
> set -o nounset
> or
> set -u

Excellent!  Not what's been clouding the back of my mind (I think!), but a 
very nice thing to know.  More boilerplace for my scripts....

> Haven't tested in a script.

---------------------
pbarker at milligan:~$ cat test.sh
#!/bin/sh

set -o nounset

FOO="xyzzy"

echo "$FOO"

echo "$BAR";
pbarker at milligan:~$ sh ./test.sh
xyzzy
./test.sh: line 9: BAR: unbound variable
pbarker at milligan:~$
-----------------

> s

Thanks,
-- 
Peter Barker                          |   Programmer,Sysadmin,Geek.
pbarker at barker.dropbear.id.au	      |   You need a bigger hammer.
:: It's a hack! Expect underscores! - Nigel Williams