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Full Discussion: egrep query....request for help
Special Forums UNIX Desktop Questions & Answers egrep query....request for help Post 302425653 by tmn0004676 on Friday 28th of May 2010 07:44:02 PM
Old 05-28-2010
okay, I'm back to square one. The official answer to the question says that the following statement will return 'Jolly Brewers'....but how can it when pipe represents OR?

egrep '(Jolly)|(Brewers)' Public_Houses

The actual Solaris SCSAS question is fractionally different but I don't see how it would make any difference to the answer


Quote:
Originally Posted by pseudocoder
egrep '(Jolly)|(Brewers)' public

In fact in this case the pipe means AND as well as OR.
AFAIK it has nothing to do with the brackets, if you omit the brackets, the result should be the same.
Additionally note the difference between one pipe and two pipes, where the latter means OR in shell.

---------- Post updated at 01:32 ---------- Previous update was at 01:22 ----------

All right, I have to correct myself, one pipe does indeed mean OR
Regular Expression Tutorial (Section "Alternation")
 

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mdbfontsize

mdbFontSize(5)							 The m17n Library						    mdbFontSize(5)

NAME

       mdbFontSize - Font Size

DESCRIPTION

       In some case, a font contains incorrect information about its size (typically in the case of a hacked TrueType font), which results in a
       bad text layout when such a font is used in combination with the other fonts. To overcome this problem, the m17n library loads information
       about font-size adjustment from the m17n database by the tags <font, resize>. The data is loaded as a plist of this format.

       FONT-SIZE-ADJUSTMENT ::= PER-FONT *

       PER-FONT ::= '(' FONT-SPEC ADJUST-RATIO ')'

       FONT-SPEC ::=
	   '(' [ FOUNDRY FAMILY
	      [ WEIGHT [ STYLE [ STRETCH [ ADSTYLE ]]]]]
	    REGISTRY ')'

       ADJUST-RATIO ::= INTEGER

       FONT-SPEC is to specify properties of a font. FOUNDRY to REGISTRY are symbols corresponding to Mfoundry to Mregistry property of a font.
       See m17nFont for the meaning of each property.

       ADJUST-RATIO is an integer number specifying by percentage how much the font-size must be adjusted. For instance, this PER-FONT:

	   ((devanagari-cdac) 150)

       instructs the font handler of the m17n library to open a font of 1.5 times bigger than a requested size on opening a font whose registry is
       'devanagari-cdac'.

COPYRIGHT

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       Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License
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Version 1.6.2							    12 Jan 2011 						    mdbFontSize(5)
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