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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

recoll

RECOLL(1)						      General Commands Manual							 RECOLL(1)

NAME

       recoll - user interface for the Recoll full text search system

SYNOPSIS

       recoll [ -c <configdir> ] [ -o | -l | -f | -a ] [ -t ] [ -q <query> ]

DESCRIPTION

       The recoll command will start the graphical user interface for querying the Recoll database.

       On the first run, recoll will create the user configuration which can be customized before starting the first indexation.

       The -c option specifies the configuration directory name, overriding the default or $RECOLL_CONFDIR.

       The  -q	option	can be used to specify an initial query on the command line. This query will be interpreted by default as a query language
       string.	If -a is specified, the query string will be interpreted as an all words simple search query. If -o is specified, the query string
       will  be  interpreted  as  an  any word simple search query. If -f is specified, the query string will be interpreted as a file name simple
       search query. If -l is specified, the query string will be interpreted as a query language simple search query.

       If -t is specified, the Graphical User Interface will not be started, and results will  be  printed  to	the  standard  output.	Additional
       options	understood  by	the  recollq  command may be specified in this case. These can control the output format and the maximum number of
       results to be printed.

       Please refer to online help for a full description.

SEE ALSO

       recollindex(1) recollq(1) recoll.conf(5)

								  8 January 2006							 RECOLL(1)
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