From mboxrd@z Thu Jan  1 00:00:00 1970
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From: "Ethan Grammatikidis" <eekee57@fastmail.fm>
To: "Fans of the OS Plan 9 from Bell Labs" <9fans@9fans.net>
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References: <20110427131041.GA21774@skaro.cthulhu.dircon.co.uk><0bc37e9990e3c3ebde8276275a170a88@quintile.net><BANLkTin+93BDbjWXzn5Myii6eXAoJb8-nQ@mail.gmail.com><20110428121127.GD1020@skaro.cthulhu.dircon.co.uk><3B3CAD91-6623-4E25-AB8A-FE1613ACFD83@fastmail.fm><dd6a13d16c739ff5a6f299c84950bbcf@coraid.com><2345D520-5F13-4A07-A96B-48B0A725A4C9@fastmail.fm>
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In-Reply-To: <25321b4258988e7615bcacfd9f1878d1@coraid.com>
Date: Fri, 29 Apr 2011 20:17:03 +0100
Subject: Re: [9fans] spaces in filenames (and filesystems...)
Topicbox-Message-UUID: d93299f8-ead6-11e9-9d60-3106f5b1d025



On Fri, 29 Apr 2011 11:17 -0400, "erik quanstrom"
<quanstro@labs.coraid.com> wrote:
> > I always change it back immediately; a nuisance in for() as it has to
> > be set before and re-set inside.  I'm considering whether a new shell
> > builtin would be desirable, similar to ` but always splitting on
> > newlines and only newlines, regardless of $ifs.
>
> this is one thing that byron understood in his version of rc.
> he had
> 	x=``ifs {cmd}
> the `` was required since `singleton was allowed in his version.
> i think that one could just extend the grammar to allow
> 	x=`ifs {cmd}
> and i think it would be even better if it were
> 	x=`splitchars {cmd}
> so ifs is never set.

I don't quite understand the first two examples. Do they set ifs only
within the {} ? I guess that risks breaking any scripts you might want
to run as cmd, so yeah, the 3rd looks good.