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Re: [Groff] Line continuation


From: walter harms
Subject: Re: [Groff] Line continuation
Date: Mon, 27 Oct 2008 18:01:10 +0100
User-agent: Thunderbird 2.0.0.16 (X11/20080720)

hi Clarke,
in case you sill have connections to HP. it would be nice if you could
convince them to publish that manuals on the internet.

re,
 wh


Clarke Echols schrieb:
> I wrote an extensive tutorial on sed back about 1987 or so.  It's part
> of HP's HP-UX User Guide series: "Text Editors and Processors".  I don't
> know if you can get your hands on it or not.  I based it on the
> sed standards-conformance tests that were run before the software could
> be shipped, plus other explanatory stuff.
> 
> The thing that confuses people about sed is the concept of "pattern
> space".  ^ is the start, and $ is the end, but you can have multiple
> lines in the space at the same time, with each adjacent pair
> separated by a newline (represented as \n in substitutions and
> pattern searches).
> 
> It's a very powerful program -- especially when run from inside vi
> (vim) and vi is run non-interactively from a shell script by
> redirecting input from a command file that ends with "ZZ" or ":wq"
> on the last line in the file.
> 
> I overhauled the entire HP-UX Reference (manpages) in a few minutes
> that way.  Took about 3 hours to write and debug the code, but the
> job ran in less than 5 minutes on a 30-MHz processor.  It would
> be interesting to see how long it would take on a 2-Ghz machine. :-)
> 
> I converted all in-line coding to macros; i.e., \fB became .B, etc.
> and I completely changed the typography conventions from AT&T to
> current industry practice, and got rid of font inconsistencies too.
> 
>




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