supervision - discussion about system services, daemon supervision, init, runlevel management, and tools such as s6 and runit
 help / color / mirror / Atom feed
From: Robin Bowes <robin-lists@robinbowes.com>
To: supervision@list.skarnet.org
Subject: Re: Help with chpst -e
Date: Mon, 14 Apr 2008 14:38:11 +0100	[thread overview]
Message-ID: <ftvmni$vtn$1@ger.gmane.org> (raw)
In-Reply-To: <20080414083428.GK20279@utopia.intra.guy>

Andras Korn wrote:
> On Mon, Apr 14, 2008 at 12:52:25AM +0100, Robin Bowes wrote:
> 
>> Robin Bowes wrote:
>>> Hi,
>>> Is it possible to set vars using "chpst -e" and then use those vars later 
>>> in the same command line?
>> Answer: yes it is.
>>
>> This works:
>>
>> #!/bin/sh
>> exec \
>>   chpst -e ./env  sh -c '
>>     chpst -u ${LOGUSER} \
>>     svlogd -tt ${LOGDIR}
>> '
>>
>> LOGUSER and LOGDIR are set in ./env
> 
> There is also another way, if you don't like the sh -c part:
> 
> #!/bin/sh
> if [ "$1" = "have-env" ]; then
> 	exec chpst -u "$LOGUSER" svlogd -tt "$LOGDIR" \
> else
> 	exec chpst -e ./env "$0" have-env
> fi

Isn't that effectively doing the same thing, but without implicitly 
invoking "sh -c" ?

R.



  parent reply	other threads:[~2008-04-14 13:38 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-13 23:19 Robin Bowes
2008-04-13 23:52 ` Robin Bowes
2008-04-14  8:34   ` Andras Korn
2008-04-14  8:40     ` Andras Korn
2008-04-14 13:38     ` Robin Bowes [this message]
2008-04-14 13:48       ` Andras Korn
2008-04-14 14:16       ` Charlie Brady
2008-04-14 14:31         ` Robin Bowes
2008-04-14 16:41           ` Andras Korn
2008-04-14 21:00             ` Robin Bowes
2008-04-14 21:09               ` Charlie Brady
2008-04-14 21:16                 ` Robin Bowes
2008-04-14 22:17               ` Joan Picanyol i Puig
2008-04-14 22:18               ` Andras Korn
2008-04-14 23:05                 ` Robin Bowes
2008-04-15  4:27                   ` Andras Korn
2008-04-15 12:10                     ` Robin Bowes
2008-04-15 16:31                       ` Generic logging run script Robin Bowes
2008-04-15 16:33                       ` Help with chpst -e Andras Korn

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='ftvmni$vtn$1@ger.gmane.org' \
    --to=robin-lists@robinbowes.com \
    --cc=supervision@list.skarnet.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.
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).