Jan Schampera wrote:
>
> coubeatczech wrote:
>
>> c...@notas:~$ if [ -z $variable ]; then echo true; fi
>> true
>> c...@notas:~$
>>
>> 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.
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