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Re: [BUG] false positive: [ ! -o optname ]
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From: |
Martijn Dekker |
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Subject: |
Re: [BUG] false positive: [ ! -o optname ] |
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Date: |
Sun, 25 Sep 2016 23:05:30 +0100 |
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User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 |
Op 25-09-16 om 22:57 schreef Martijn Dekker:
> And indeed your interpretation does not apply to something like
> "[ ! -e /tmp ]":
>
> $ [ -e /tmp ]; echo $?
> 0
> $ [ ! -e /tmp ]; echo $?
> 1
>
> However, the supposed synonym -a acts differently:
>
> $ [ -a /tmp ]; echo $?
> 0
> $ [ ! -a /tmp ]; echo $?
> 0
Which also makes sense now that I think about it, since -a means "and"
so it tests for the non-emptiness of both strings.
Bug report withdrawn.
Sorry for the noise,
- M.