[oi-dev] Weird man page construction

[Udo Grabowski (IMK)]

On 18/02/2019 13:00, Peter Tribble wrote:
>
>
> On Mon, Feb 18, 2019 at 11:36 AM Udo Grabowski (IMK) <udo.grabowski at kit.edu
> <mailto:udo.grabowski at kit.edu>> wrote:
>
>     Hi,
>
>     I was wondering for a while now why I could not grep man pages anymore,
>     like 'man ftp|grep netrc', which was working a couple of OI versions
>     before.
>
>
> Try something like
>
> man ftp | col -x -b | grep netrc
>
> to strip the formatting.

Thanks, that really helps !

>
>
>     Today I really got curious and found these weird constructions
>     in the man page output 'man ftp|od -tc'
>
>     0121460  \b   ~   /  \b   /   .  \b   .   n  \b   n   e  \b   e   t  \b
>     0121500   t   r  \b   r   c  \b   c  \n  \n   A  \b   A   T  \b   T   T
>
>     That means: most of the characters are backspaced and written again !
>     Checked a couple of man pages, most of them have these useless
>     sequences in them, so grepping man pages is mostly impossible now.
>
>     Is this really intended, or produces some document tool this garbage
>     in the process of man page generation ?



-- 
Dr.Udo Grabowski   Inst.f.Meteorology & Climate Research IMK-ASF-SAT
http://www.imk-asf.kit.edu/english/sat.php
KIT - Karlsruhe Institute of Technology           http://www.kit.edu
Postfach 3640,76021 Karlsruhe,Germany T:(+49)721 608-26026 F:-926026

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