From mboxrd@z Thu Jan  1 00:00:00 1970
From: dexen deVries <dexen.devries@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Date: Tue,  5 Jul 2011 09:56:17 +0200
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Subject: [9fans] grep (or perhaps regex(6)) question
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on plan9port:
% echo foobar | 9 grep '$JUNK'
 -> foobar

that is, p9p grep matches any line with regular expression in form of
$ANY_REGEX

why is it so?

=2D-=20
dexen deVries

[[[=E2=86=93][=E2=86=92]]]

=46or example, if the first thing in the file is:
   <?kzy irefvba=3D"1.0" rapbqvat=3D"ebg13"?>
an XML parser will recognize that the document is stored in the traditional=
 ROT13 encoding.

(( Joe English, http://www.flightlab.com/~joe/sgml/faq-not.txt ))