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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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LEARN ABOUT DEBIAN

actdiag

ACTDIAG(1)						      General Commands Manual							ACTDIAG(1)

NAME

       actdiag - generate activity-diagram image file from spec-text file.

SYNOPSIS

       actdiag [options] files

DESCRIPTION

       This manual page documents briefly the actdiag commands.

       actdiag is a program that generate activity-diagram image file from spec-text file.

OPTIONS

       These  programs	follow	the  usual  GNU  command  line	syntax, with long options starting with two dashes (`-').  A summary of options is
       included below.	For a complete description, see the Info files.

       -h, --help
	      show this help message and exit

       -a, --antialias
	      Pass diagram image to anti-alias filter

       -c FILE, --config=FILE
	      read configurations from FILE

       -o FILE
	      write diagram to FILE

       -f FONT, --font=FONT
	      use FONT to draw diagram

       -s, ----separate
	      Separate diagram images for each group (SVG only)

       -T TYPE
	      Output diagram as TYPE format

SEE ALSO

       The programs are documented fully by
       http://tk0miya.bitbucket.org/actdiag/build/html/index.html

AUTHOR

       actdiag was written by Takeshi Komiya <i.tkomiya@gmail.com>

       This manual page was written by Kouhei Maeda <mkouhei@palmtb.net>, for the Debian project (and may be used by others).

								   June  5, 2011							ACTDIAG(1)
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