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Re: [Help-bash] stdout and stderr to two different process substitutions
From: |
Peng Yu |
Subject: |
Re: [Help-bash] stdout and stderr to two different process substitutions |
Date: |
Wed, 25 Jan 2012 16:27:55 -0600 |
On Wed, Jan 25, 2012 at 3:20 PM, Bob Proulx <address@hidden> wrote:
> Greg Wooledge wrote:
>> Bob Proulx wrote:
>> > Apply 2> >(tee yy), start with tee yy first.
>> >
>> > | | --err:2-->
>> > --in:0-->|tee|
>> > | | --out:1-->yy
>>
>> But that does not. tee inherits foo's stdout, so its out:1 arrow
>> should be pointing to the /dev/fd/63 thing. tee will open the file
>> "yy" as a new FD, which is not show in your diagram at all -- it won't
>> open it as stdout.
>
> Yes! Of course you are correct. I was distracted by yy being an
> explicit write target for tee and misdrew the picture. My bad.
>
> I am not going to correct post an updated drawing however. Hopefully
> the idea behind it was sufficient to accomplish goal of showing how
> things are piped and plumbed together. :-)
Thanks everybody for the clarification. Now I get it. Everything boils
down to the two key points mentioned by Chet.
--
Regards,
Peng
- Re: [Help-bash] stdout and stderr to two different process substitutions, (continued)
- Re: [Help-bash] stdout and stderr to two different process substitutions, Peng Yu, 2012/01/25
- Re: [Help-bash] stdout and stderr to two different process substitutions, Greg Wooledge, 2012/01/25
- Re: [Help-bash] stdout and stderr to two different process substitutions, Peng Yu, 2012/01/25
- Re: [Help-bash] stdout and stderr to two different process substitutions, Greg Wooledge, 2012/01/25
- Re: [Help-bash] stdout and stderr to two different process substitutions, Peng Yu, 2012/01/25
- Re: [Help-bash] stdout and stderr to two different process substitutions, Greg Wooledge, 2012/01/25
- Re: [Help-bash] stdout and stderr to two different process substitutions, Chet Ramey, 2012/01/25
- Re: [Help-bash] stdout and stderr to two different process substitutions, Bob Proulx, 2012/01/25
- Re: [Help-bash] stdout and stderr to two different process substitutions, Greg Wooledge, 2012/01/25
- Re: [Help-bash] stdout and stderr to two different process substitutions, Bob Proulx, 2012/01/25
- Re: [Help-bash] stdout and stderr to two different process substitutions,
Peng Yu <=
- Re: [Help-bash] stdout and stderr to two different process substitutions, Chet Ramey, 2012/01/25