From: Rudolf Sykora <rudolf.sykora@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] environment variables
Date: Tue, 24 Nov 2009 17:28:32 +0100 [thread overview]
Message-ID: <a560a5d00911240828q31c106d7rf354f14baa15e2d3@mail.gmail.com> (raw)
In-Reply-To: <df49a7370911240329p341e153au2b5ca468999a4fe0@mail.gmail.com>
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>
> if you want to re-get the value of an environment variable,
> you can do:
>
> ifs=() var=`{cat /env/var}
>
Ok. So if one wants to update the rc's view of the environment, one must
write sth. along the lines
for(var in `{ls /env}) {
ifs=() contents = `{cat /env/$var}
if (~ $var *#*) fn `{echo $var | awk '{split($0, a, "#"); print a[1]}'}
{$contents}
if not var = $contents
}
?
Thanks
Ruda
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next prev parent reply other threads:[~2009-11-24 16:28 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-23 22:24 Rudolf Sykora
2009-11-24 2:33 ` sqweek
2009-11-24 8:34 ` Rudolf Sykora
2009-11-24 11:29 ` roger peppe
2009-11-24 16:28 ` Rudolf Sykora [this message]
[not found] <<a560a5d00911240828q31c106d7rf354f14baa15e2d3@mail.gmail.com>
2009-11-24 18:18 ` erik quanstrom
2009-11-24 18:35 ` Rudolf Sykora
2009-11-25 11:48 ` roger peppe
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