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From: ron@ronnatalie.com (Ronald Natalie)
Subject: [TUHS] Command-line options
Date: Sat, 26 Mar 2016 16:54:48 -0400	[thread overview]
Message-ID: <4B49E73B-51BD-4834-AA8C-5F9F74BA784E@ronnatalie.com> (raw)
In-Reply-To: <CAC20D2OKN=emm+cJxDKez19JZKwFoa7C7TbfyNtbGf7_7eu=2w@mail.gmail.com>

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More strictly, UNIX doesn’t have “type” in a file.   They’re just a bunch of bytes.   It’s up to whoever is making the file to decide if the name conveys that information or a magic number does.

The other fun character set was the old UNIVAC Fielddata.   There were no non printing characters and in fact not even a null value (the 0 value was called master space and printed as @).


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  reply	other threads:[~2016-03-26 20:54 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-25 14:43 [TUHS] Is the Teletype the unsung hero of Unix? Aharon Robbins
2016-03-25 19:47 ` Jaap Akkerhuis
2016-03-25 21:03 ` Diomidis Spinellis
2016-03-28 20:12   ` scj
2016-04-01 14:06     ` Dave Horsfall
2016-04-01 22:41       ` Greg 'groggy' Lehey
2016-03-25 21:29 ` [TUHS] Command-line options Warren Toomey
2016-03-25 23:25   ` Greg 'groggy' Lehey
2016-03-26  2:10     ` John Cowan
2016-03-26  3:09       ` Charles Anthony
2016-03-26 19:43         ` Clem Cole
2016-03-26 20:54           ` Ronald Natalie [this message]
2016-03-26 22:05             ` John Cowan
2016-03-27  1:25             ` Dave Horsfall
2016-03-27  1:50               ` Charles Anthony
2016-03-27  2:01               ` Greg 'groggy' Lehey
2016-03-27  6:18                 ` Random832
2016-03-27  6:57                   ` Greg 'groggy' Lehey
2016-03-27 19:38                   ` Dave Horsfall
2016-03-27  1:35             ` Greg 'groggy' Lehey
2016-03-26  3:54 ` [TUHS] Is the Teletype the unsung hero of Unix? Greg 'groggy' Lehey
2016-03-26  4:30   ` Steve Nickolas
2016-03-26  5:44     ` Greg 'groggy' Lehey
2016-03-26  8:33       ` Steve Nickolas

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