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Re: [Help-bash] counter for executed commands in non interactive mode?


From: Chet Ramey
Subject: Re: [Help-bash] counter for executed commands in non interactive mode?
Date: Mon, 18 May 2015 13:51:33 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:31.0) Gecko/20100101 Thunderbird/31.6.0

On 5/18/15 11:47 AM, Stephane Chazelas wrote:
> 2015-05-18 15:48:06 +0200, Meike Stone:
>> Hello,
>>
>> is there a easy way, to count inside a bash script the executed
>> (external) commands while this script itself is executed?
>> Normaly, the commands are counted in the interactive mode and
>> displayed in the command prompt if "\#" is configured.
>> Maybe, there is a possibility to access this counter?
> [...]
> 
> What number should it give you after:
> 
> { cmd1; cmd2; } | cmd3 | cmd4
> (cmd1; cmd2); env cmd3
> sh -c 'cmd1; cmd2'
> for i in 1 2 3; do
>   cmdx "$i"
> done

Because of where and how it's computed, each of those commands increments
it by 1.


-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/



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