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Re: Bourne sh redirection, a loop variable, and ':'
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From: |
Eric Blake |
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Subject: |
Re: Bourne sh redirection, a loop variable, and ':' |
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Date: |
Sat, 13 Sep 2008 06:21:54 -0600 |
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Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.16) Gecko/20080708 Thunderbird/2.0.0.16 Mnenhy/0.7.5.666 |
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According to Ralf Wildenhues on 9/13/2008 1:27 AM:
>>
>> # for i in 1 2 3 ; do : >x$i ; sleep 60 ; done ; date ; ls -l x*
>> Wednesday, September 3, 2008 1:25:25 PM PDT
>> -rw-r--r-- 1 root root 0 Sep 3 13:22 x1
>>
>> it seems that the no-op is removed from the loop after the first iteration.
>> I guessed as much, but this makes it clearer. Pretty weird. - Bruce
>
> Indeed. OK to install this patch to describe the issue?
Yes, please apply.
- --
Don't work too hard, make some time for fun as well!
Eric Blake address@hidden
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