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From: Bakul Shah <bakul@iitbombay.org>
To: Greg 'groggy' Lehey <grog@lemis.com>
Cc: tuhs@minnie.tuhs.org
Subject: Re: [TUHS] RegExp decision for meta characters: Circumflex
Date: Fri, 17 Sep 2021 18:23:59 -0700	[thread overview]
Message-ID: <1038880F-A0D6-4A51-A0F1-8434ED49C71A@iitbombay.org> (raw)
In-Reply-To: <20210918010352.GR59580@eureka.lemis.com>

On Sep 17, 2021, at 6:03 PM, Greg 'groggy' Lehey <grog@lemis.com> wrote:
> 
> On Friday, 17 September 2021 at 13:40:25 -0700, Chris Torek wrote:
>> Also worth noting, though the precise history predates my own
>> experience: it's common in grammar theory to use `$` as the end
>> symbol.  Was this from REs using `$` as an end symbol as well,
>> or did REs adopt `$` from here, or ...?
> 
> Weren't there programming languages that used $ as a statement
> terminator instead of ;?

IIRC Macsyma used ; as well as $ as statement terminators.
; if you wanted to print the output of an expresion,
$ if you wanted to suppress the output. But I suspect 
it is not related to this.

  reply	other threads:[~2021-09-18  1:24 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-17 16:40 Douglas McIlroy
2021-09-17 20:40 ` Chris Torek
2021-09-18  1:03   ` Greg 'groggy' Lehey
2021-09-18  1:23     ` Bakul Shah [this message]
  -- strict thread matches above, loose matches on Subject: below --
2021-09-17  8:52 markus schnalke
2021-09-17  9:32 ` Rob Pike
2021-09-17  9:32   ` Rob Pike
2021-09-17 10:10   ` markus schnalke

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