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Top Forums Shell Programming and Scripting Pattern Search not working properly Post 302896724 by tostay2003 on Wednesday 9th of April 2014 03:54:03 AM
Old 04-09-2014
Pattern Search not working properly

Hi

I have a code as below.

Code:
vDate=`echo $filename | rev | sed 's/.*\([0-9]\)\..*//g' | rev`

Basically I am trying extract timestamp from files with formats as below.

Code:
test.input.20130501010101.txt
test.input.crm.201405010202.dat

The code was working fine, but when I don't have a timestamp appending, the above code is giving entire file name instead of empty string
i.e.
test.input.txt is returning test.input.txt, where as I am searching for numeric value.

Last edited by Scrutinizer; 04-09-2014 at 05:36 AM..
 

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MONGOFILES(1)							  Mongo Database						     MONGOFILES(1)

NAME
mongofiles - a simple GridFS interface SYNOPSIS
mongofiles [OPTIONS] DESCRIPTION
mongofiles is used to list, get, and insert files in the database. EXAMPLES
mongofiles list lists files in test.fs.files mongofiles put README.txt inserts the file README.txt into the collection test.fs.files mongofiles get photo.jpg retrieves photo.jpg from test.fs.files and saves it locally OPTIONS
--help show usage information -h, --host HOST mongo host to which to connect -d, --db DB database to use (default DB=test) -c, --collection COLLECTION (default COLLECTION=fs.files) collection to use --command [list|search|put|get] execute a command --file FILE filename for get or put list list all files. takes an optional filename. the file has to start with the filename search search all files for something that contains the string COPYRIGHT
Copyright 2007-2009 10gen SEE ALSO
For more information, please refer to the MongoDB wiki, available at http://www.mongodb.org. AUTHOR
Kristina Chodorow 10gen June 2009 MONGOFILES(1)
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