Re: if, -n <string>

[coubeatczech]

Eric Blake wrote:
> 
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> According to coubeatczech on 1/31/2009 7:24 AM:
>> coub@notas:~$ variable=
>> coub@notas:~$ if [ -n $variable ]; then echo true; fi
>> true
> 
> This is equivalent to 'if [ -n ]; then echo true; fi'; in other words,
> because there is only one argument ("-n"), and it is not empty, it is
> true.
> 
> You meant to use quotes, to guarantee that there are two arguments, as in:
> 
> if [ -n "$variable" ]; then echo true; fi
> 
> - --
> Don't work too hard, make some time for fun as well!
> 
> Eric Blake             ebb9@byu.net
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> 
Ok, thanks got it now
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