[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: if, -n <string>
From: |
coubeatczech |
Subject: |
Re: if, -n <string> |
Date: |
Sun, 1 Feb 2009 05:05:35 -0800 (PST) |
Jan Schampera wrote:
>
> coubeatczech wrote:
>
>> coub@notas:~$ if [ -z $variable ]; then echo true; fi
>> true
>> coub@notas:~$
>>
>> Can anybody explain to me this behaviour? I would expect not any output
>> in
>> the last command...? The variable is set to zero and there is the
>> condition
>> is still true...?
>
> http://bash-hackers.org/wiki/doku.php/commands/classictest#number_of_arguments_rules
>
> You'd need some quoting.
>
> Jan aka TheBonsai
>
>
>
>
Thanks, I'm understanding it now.
--
View this message in context:
http://www.nabble.com/if%2C--n-%3Cstring%3E-tp21764081p21774953.html
Sent from the Gnu - Bash mailing list archive at Nabble.com.