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Re: Odd bash behaviour with time:


From: Piotr Grzybowski
Subject: Re: Odd bash behaviour with time:
Date: Sat, 1 Nov 2014 00:35:47 +0100

Hi Jon,

 well, thats what I have been trying to say, before Eduardo almost killed me :)
 help time clearly states that is requires a pipeline, NULL pipeline
is something that does not exist. it is just a bad usage of time
built-in.

cheers,
pg


On Sat, Nov 1, 2014 at 12:31 AM, jon <address@hidden> wrote:
> On Fri, 2014-10-31 at 15:56 -0700, Eduardo A. Bustamante López wrote:
>> >  well, help time clearly states how it should be used.
>> You are clearly not understanding the point.
>>
>> The point is: why does
>>
>>   time
>>
>> work, but
>>
>>   time ; somecommand
>>
>> doesn't.
>>
>> It's that simple. It's not a usage question, I'm very aware of how to
>> use time. Stop being condescending.
>
> Interesting interpreter question, but does "time" on its own have any
> meaning? - if not "time" with no arguments should generate an error
> rather than an output as it does currently.
>
>
> This is meaningful
> # time /bin/bash -c 'sleep 1' ;echo hello
>
> real    0m1.003s
> user    0m0.004s
> sys     0m0.000s
> hello
>
> This is not
> # time ;echo hello
> bash: syntax error near unexpected token `echo'
>
>



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