From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FROM,HTML_MESSAGE,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 22220 invoked from network); 4 Jan 2021 09:13:29 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 4 Jan 2021 09:13:29 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 7144D9C7FE; Mon, 4 Jan 2021 19:13:28 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 63F229C7D8; Mon, 4 Jan 2021 19:13:07 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="QFO3+xWY"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 6A2EC9C7D8; Mon, 4 Jan 2021 19:13:05 +1000 (AEST) Received: from mail-vs1-f49.google.com (mail-vs1-f49.google.com [209.85.217.49]) by minnie.tuhs.org (Postfix) with ESMTPS id 03AED9C7D7 for ; Mon, 4 Jan 2021 19:13:03 +1000 (AEST) Received: by mail-vs1-f49.google.com with SMTP id q10so14118185vsr.13 for ; Mon, 04 Jan 2021 01:13:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=LKKgwOpCMHev133RsvKdJCmZb8hHtFjiY2pSz9ieRsk=; b=QFO3+xWYke1dJjK+Lhk/xBvLotTBO+ceArZM8CfiHzIjzhafKmY1w/U/vfqrEM/0BG Ts3iG0aTO7z3KHJLtnQlTJDz//JNlAUuNG3BOMbGqM8azcJDBlCAdmOhx2V2flFIWBbR Ga78hGwP0urmKPh4vflx1zsewSVJ+Kbcd0Q+6eGnwB2zi5ZUf7XYS64S6apBtT89KySv FBi/kgfJkWFMW2is4X+ZCG7d61GWIS/jgXENDiov3x4jimvRlivbSlHbg7m0F3umshpm lW+FtaCSIF7VAVv/AOsx8kXBGT8vcUX+BtQCX063BY6phLjnd64t/S2lA2XeD0KdXnc0 C4yQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=LKKgwOpCMHev133RsvKdJCmZb8hHtFjiY2pSz9ieRsk=; b=NoVLXZPQKFy7IHIiH5T6qdQP4cu+7Pu9+6hrGE79dpDCmwkAipnasmyFBOvs1/jtAy OKmxLpq86YD2WN078hYY8UgjS60r7VpimOHDN0jnrLc6DM3FFfNREWfnxRFfu4K2jtFr EABYwax/hI0wV3bb2RypQ7p21Wb43TTLYDSg9PCEyQj4BxK8ngK4BcFGr9pnvUHZidp9 0e84eckFAlCvvvlKbLu42PWHpeVT0oBBIfAnZ8BeLWPWeJBXLQP5lf0aAdIoi/3asrrf SQ8r4m0xnqw624xI2MJr2RzGkygr8DBE4UZhUWnRi22rZ06sJ0x+jN3M/9vFuIHcwYZz oDkw== X-Gm-Message-State: AOAM530WGqgCXYMdhz/WZg8pYSI4dKqMLCK3s/EcVevAQlvx9Sim7uff 4GX6ypttRFK79gGBfC1g4slBO7G5NQrG0+GFjM8= X-Google-Smtp-Source: ABdhPJxecCDZp3cDgHf6MpVAs3zH3BDWywlEAeA+uwVb5P9QubxbGCrXqS+MMaqexYb/4TnSGv9qFOPK+7RaaqZZl7M= X-Received: by 2002:a67:c40d:: with SMTP id c13mr42638978vsk.60.1609751582711; Mon, 04 Jan 2021 01:13:02 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Niklas Karlsson Date: Mon, 4 Jan 2021 10:12:51 +0100 Message-ID: To: Rob Pike Content-Type: multipart/alternative; boundary="00000000000043a17c05b80f7f43" Subject: Re: [TUHS] Question X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: UNIX Heritage Society Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" --00000000000043a17c05b80f7f43 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Ah, he of the infamous Device? Interesting. Niklas Den m=C3=A5n 4 jan. 2021 kl 10:08 skrev Rob Pike : > That was done by Tom Duff, I believe before he came to Bell Labs. I might > have brought the idea with me from Toronto. The code, or at least a simpl= e > version of it, is in The Unix Programming Environment starting around pag= e > 208. We credit Tom in the endnotes for the chapter. > > -rob > > > On Mon, Jan 4, 2021 at 8:00 PM Ed Bradford wrote: > >> Thank you for responding. My recollection is that one of your >> folks put the spelling corrector into the shell so when I typed >> the wrong letters for a directory or file, the spelling correct >> would help. It was particularly noticible in the "chdir - cd" shell >> command. Do you recall any such person and if so, did he (and it >> was a he) use Peter's work? >> >> There was a distance algorithm that was far better than anything I've se= en >> since. Yes, please send me Peter's contact information. >> >> I am >> >> Ed Bradford, Ph.D. Physics, retired from IBM >> Pflugerville,TX >> egbegb2@gmail.com >> >> PS: We chatted sometime in 1980 or so about >> adding database capabilities to the interactive >> environment. I was interested in adding it to >> the Bourne Shell at the time. >> >> On Sun, Jan 3, 2021 at 2:23 PM M Douglas McIlroy < >> m.douglas.mcilroy@dartmouth.edu> wrote: >> >>> > I was a BTL person for 8 years between 1976 and 1984. During >>> > that time there was a spelling corrector that was better than >>> > anything I see today. There was a concept of "spelling distance" >>> > that corrected a whole bunch of stuff that even today cannot be > >>> corrected. >>> >>> > Who in that era worked on spelling correction at BTL. I was at >>> > Columbus BTL (1976-1979) and Whippany BTL (1979-1984). >>> >>> Peter Nelson made an interface to spell(1) that showed putative errors >>> in context. I believe it could suggest corrections. I remember the proj= ect; >>> I installed hooks for it in spell(1). I don't remember the date, but it >>> would probably not have been early enough for you to have used it in >>> Columbus. >>> >>> If there's a chance that Peter's program is the one you remember >>> and you'd like to get in touch with him, I can give you his >>> email address. >>> >>> Doug >>> >> >> >> -- >> Advice is judged by results, not by intentions. >> Cicero >> >> --00000000000043a17c05b80f7f43 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Ah, he of the infamous Device? Interesting.

Niklas

Den m=C3=A5n 4 jan. 2021 kl 10:08 skrev Rob= Pike <robpike@gmail.com>:
= That was done by Tom Duff, I believe before he came to Bell Labs. I might h= ave brought the idea with me from Toronto. The code, or at least a simple v= ersion of it, is in The Unix Programming Environment starting around page 2= 08. We credit Tom in the endnotes for the chapter.

-rob<= /div>


On Mon, Jan 4, 2021 at 8:00 PM Ed Bradford <egbegb2@gmail.com> w= rote:
Thank you for responding. My recollection is that one of your
folks p= ut the spelling corrector into the shell so when I typed
the wrong letters= for a directory or file, the spelling correct
would=C2=A0help. It was par= ticularly noticible=C2=A0in the "chdir - cd" shell
command. Do y= ou recall any such person and if so, did he (and it
was a he) use Peter= 9;s work?

There was a distance algorithm that was far better than an= ything I've seen
since. Yes, please send me Peter's contact inform= ation.

I am

Ed Bradford, Ph.D. Physics, retired from IBM
Pfl= ugerville,TX
egbegb= 2@gmail.com

PS: We chatted sometime in 1980 or so about
adding = database capabilities to the interactive
environment. I was interested in = adding it to
the Bourne Shell at the time.

On Sun, Jan 3, 2021 at 2:2= 3 PM M Douglas McIlroy <m.douglas.mcilroy@dartmouth.edu> wrote:
> I was a BTL person for 8 years between 1976 and 1984. During
&= gt; that time there was a spelling corrector that was better than
> any= thing I see today. There was a concept of "spelling distance"
&g= t; that corrected a whole bunch of stuff that even today cannot be > cor= rected.

> Who in that era worked on spelling correction at BTL. I= was at
> Columbus BTL (1976-1979) and Whippany BTL (1979-1984).
<= br>
Peter Nelson made an interface to spell(1) that showed putative errors= in context. I believe it could suggest corrections. I remember the project= ; I installed hooks for it in spell(1). I don't remember the date, but = it would probably not have been early enough for you to=C2=A0have used it i= n Columbus.

If there's a chance that Peter's program is the = one you remember
and you'd like to get in touch with him, I can give y= ou his
email address.

Doug


--
Advice is judged by results, not by intentions.
=C2=A0= Cicero

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