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Top Forums Shell Programming and Scripting Search replace strings between single quotes in a text file Post 302539119 by Hiano on Friday 15th of July 2011 09:24:37 AM
Old 07-15-2011
thanks radoulov and itkamaraj!!!

I want to refine this search.. :-)

------
My file has; books.amazon='Let me read' and the output needed is
Code:
books.amazon=NONFOUND

------

Can I first find the text between string1= books.amazon=' and string2= ' (locate the text beween the cotes)

and then replace by NOTFOUND.!! this way i can replace multiple strings. I have tried this code but no luck..

Code:
sed -i 's/\(books.amazon='\)[^<]*\('\)/NOTFOUND/g' abc.txt

pls guide

Last edited by radoulov; 07-15-2011 at 10:27 AM.. Reason: Code tags.
 

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REPLACE(1)						       MySQL Database System							REPLACE(1)

NAME
replace - a string-replacement utility SYNOPSIS
replace arguments DESCRIPTION
The replace utility program changes strings in place in files or on the standard input. Invoke replace in one of the following ways: shell> replace from to [from to] ... -- file_name [file_name] ... shell> replace from to [from to] ... < file_name from represents a string to look for and to represents its replacement. There can be one or more pairs of strings. Use the -- option to indicate where the string-replacement list ends and the file names begin. In this case, any file named on the command line is modified in place, so you may want to make a copy of the original before converting it. replace prints a message indicating which of the input files it actually modifies. If the -- option is not given, replace reads the standard input and writes to the standard output. replace uses a finite state machine to match longer strings first. It can be used to swap strings. For example, the following command swaps a and b in the given files, file1 and file2: shell> replace a b b a -- file1 file2 ... The replace program is used by msql2mysql. See msql2mysql(1). replace supports the following options. o -?, -I Display a help message and exit. o -#debug_options Enable debugging. o -s Silent mode. Print less information what the program does. o -v Verbose mode. Print more information about what the program does. o -V Display version information and exit. COPYRIGHT
Copyright 2007-2008 MySQL AB, 2008-2010 Sun Microsystems, Inc. This documentation is free software; you can redistribute it and/or modify it only under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. This documentation is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with the program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or see http://www.gnu.org/licenses/. SEE ALSO
For more information, please refer to the MySQL Reference Manual, which may already be installed locally and which is also available online at http://dev.mysql.com/doc/. AUTHOR
Sun Microsystems, Inc. (http://www.mysql.com/). MySQL 5.1 04/06/2010 REPLACE(1)
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