From: Bruce Stephens <bruce.stephens@messagingdirect.com>
To: sourcenav <sourcenav@sources.redhat.com>
Subject: Re: Getting started with tcl
Date: Thu, 03 Aug 2000 09:40:00 -0000 [thread overview]
Message-ID: <vbu2d2cn89.fsf@erwin.isode.com> (raw)
In-Reply-To: <00e401bffd66$eca2b180$4500a8c0@thomasnb>
Thomas Heller <thomas.heller@ion-tof.com> writes:
> I'm trying to understand how SN starts 'make'.
> Since I'm an absolute beginner to tcl, can
> someone please explain the following line
> (from share/gui/multimake.tcl, method ExecMake):
>
> set ret [catch {@@set make_fd [@@open "| $make_cmd" r]} msg]
>
> I can decipher most of it, but what do all the @'s mean?
> Is this standard tcl? I did not find something like
> this in the Ousterhout book...
Normally it would mean nothing: @@set would simply refer to a command
called "@@set". However, the ChangeLog in itcl suggests that things
have been changed so that @@ means the same as ::.
So try thinking of it in those terms. Ousterhout's book is
unfortunately too old to cover namespaces; however, the namespace(n)
manpage describes it. Anyway, namespaces work sufficiently obviously
that they shouldn't be surprising.
I don't know why they'd have changed things in this way.
--
Bruce Stephens Bruce.Stephens@MessagingDirect.com
MessagingDirect(UK) Ltd <URL: http://www.MessagingDirect.com/ >
next prev parent reply other threads:[~2000-08-03 9:40 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <Thomas>
[not found] ` <Heller's>
[not found] ` <message>
[not found] ` <of>
[not found] ` <"Tue,>
[not found] ` <"Wed,>
[not found] ` <"Fri,>
[not found] ` <15>
[not found] ` <"Mon,>
[not found] ` <20>
[not found] ` <"Thu,>
[not found] ` <3>
[not found] ` <Aug>
[not found] ` <2000>
[not found] ` <15:23:58>
[not found] ` <-0800>
[not found] ` <Mo>
[not found] ` <05:03:28>
[not found] ` <-0700>
2000-09-15 5:06 ` SN452 Installation Rouviere, Stephane
2000-09-15 5:24 ` Bruce Stephens
2000-09-15 11:20 ` Syd Polk
[not found] ` <18:21:47>
[not found] ` <+0200>
2000-08-03 9:22 ` Getting started with tcl Thomas Heller
2000-08-03 9:40 ` Bruce Stephens [this message]
2000-08-03 10:19 ` Syd Polk
2000-09-27 1:12 ` Source navigator roadmap, features list, etc.? William Gacquer
2000-09-27 22:16 ` Bruce Stephens
2000-09-28 9:15 ` Berek
2000-09-28 13:26 ` Syd Polk
2000-09-28 13:22 ` Syd Polk
2000-10-03 16:02 ` Mo DeJong
2000-10-04 10:25 ` Syd Polk
2000-10-04 13:27 ` SN Printing Under WIN/NT Berek
2000-10-04 15:27 ` Mo DeJong
2000-10-04 16:50 ` Paul Selormey
2000-10-04 17:04 ` Mo DeJong
2000-10-05 12:06 ` Syd Polk
2000-10-05 13:13 ` Berek
2000-11-20 4:47 future plans Simone Contini
2000-11-20 12:02 ` Syd Polk
2000-11-20 15:24 ` Mo DeJong
2000-11-20 15:37 ` Timothee Besset
2000-11-21 11:02 ` Mo DeJong
2000-11-20 16:13 ` Tom Tromey
2000-11-21 12:22 ` Syd Polk
2000-11-21 12:31 ` Mo DeJong
2000-11-21 12:32 ` Tom Tromey
2000-11-21 15:18 ` Bruce Stephens
2000-11-21 15:47 ` Tom Tromey
2000-11-21 15:41 ` Syd Polk
[not found] <Syd>
[not found] <Rouviere,>
[not found] <William>
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