From: "Jérémie Roquet" <arkanosis@gmail.com>
To: zsh-users@zsh.org
Subject: Re: wait for the next process to finish
Date: Tue, 13 Dec 2011 19:04:12 +0100 [thread overview]
Message-ID: <CAFOazAOFiHs4SLhHFVFXesAHkyA0D-L18q8Qha2-hmd_xKk6Kw@mail.gmail.com> (raw)
In-Reply-To: <20111213173237.GA10838@cosy.cit.nih.gov>
2011/12/13 Anthony R Fletcher <arif@mail.nih.gov>:
> I was using this loop
>
> for f in *.txt
> do
> what-ever-has-to-happen $f &
> pwait 20
> done
>
> where pwait is a function
>
> function pwait() {
> while [ $(jobs -rp | wc -l) -ge $1 ]
> do
> # sleep 10
> wait
> done
> }
>
> (see http://superuser.com/questions/158165/parallel-shell-loops for one
> example amongst many).
>
> I was hoping that using "wait" would be better than using a "sleep 10".
> But wait waits for them all and not just he last to finish. The nice
> thing is that this is a small, easy loop and all the brains is in the
> barrier function pwait. Sadly a sleep for 10 seconds is completely
> arbitrary.
I'm wondering if you're not just looking for zargs :-)
autoload -U zargs
zargs -n 1 -P 20 *.txt -- what-ever-has-to-happen
Best regards,
--
Jérémie
next prev parent reply other threads:[~2011-12-13 18:04 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-12 15:46 Anthony R Fletcher
2011-12-12 16:37 ` TJ Luoma
2011-12-12 19:41 ` Wayne Davison
2011-12-13 7:15 ` Martin Richter
2011-12-13 16:07 ` Rory Mulvaney
2011-12-13 16:45 ` Jérémie Roquet
2011-12-13 16:59 ` Anthony R Fletcher
2011-12-13 18:08 ` Daniel Shahaf
2011-12-13 16:49 ` Christoph (Stucki) von Stuckrad
2011-12-13 17:31 ` Bart Schaefer
2011-12-13 17:04 ` Rory Mulvaney
2011-12-13 17:32 ` Anthony R Fletcher
2011-12-13 18:04 ` Jérémie Roquet [this message]
2011-12-13 18:20 ` Stephane Chazelas
2011-12-13 19:19 ` Anthony R Fletcher
2011-12-13 10:01 ` Peter Stephenson
2011-12-13 17:10 ` Bart Schaefer
2011-12-13 20:42 ` Rory Mulvaney
2011-12-13 17:45 ` Stephane Chazelas
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=CAFOazAOFiHs4SLhHFVFXesAHkyA0D-L18q8Qha2-hmd_xKk6Kw@mail.gmail.com \
--to=arkanosis@gmail.com \
--cc=zsh-users@zsh.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.vuxu.org/mirror/zsh/
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).