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Re: Test -a and -e
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From: |
Jan Schampera |
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Subject: |
Re: Test -a and -e |
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Date: |
Tue, 10 Nov 2009 06:25:40 +0100 |
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User-agent: |
Mozilla-Thunderbird 2.0.0.22 (X11/20090707) |
Chet Ramey schrieb:
>> Code:
>> $ [ ! -a /bin/bash ] && echo "Doesn't exist"; [ -a /bin/bash ] && echo
>> "Exists"
>>
>> Output:
>> Doesn't exist
>> Exists
> Please read the Bash FAQ, question E1. The behavior of test depends on
> the number of arguments; the rules are in the manual page.
>
> Chet
"The operators -a and -o are considered binary operators for the purpose
of the 3 Arg case."
Forgive my ignorance :)
Jan