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Top Forums Shell Programming and Scripting Search a pattern in a line and remove another pattern Post 302836945 by sreejithalokkan on Thursday 25th of July 2013 12:36:01 AM
Old 07-25-2013
Search a pattern in a line and remove another pattern

Hi,
I want to search a pattern in a text file and remove another pattern in that file.
my text file look like this

Code:
 0.000000  1.970000 F  303 -
1.970000  2.080000 VH VH +
2.080000  2.250000 VH VH +
2.250000  2.330000 VH L -
2.330000  2.360000 F  H +
2.360000  2.410000 L VL -
2.410000  2.450000 F  312 +

I want to search the line containing 'F' and remove signs of that line(+ or -)

Last edited by Don Cragun; 07-26-2013 at 01:38 AM.. Reason: add CODE tags
 

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DROP TEXT SEARCH 
CONFIGURATION(7) SQL Commands DROP TEXT SEARCH CONFIGURATION(7) NAME
DROP TEXT SEARCH CONFIGURATION - remove a text search configuration SYNOPSIS
DROP TEXT SEARCH CONFIGURATION [ IF EXISTS ] name [ CASCADE | RESTRICT ] DESCRIPTION
DROP TEXT SEARCH CONFIGURATION drops an existing text search configuration. To execute this command you must be the owner of the configura- tion. PARAMETERS
IF EXISTS Do not throw an error if the text search configuration does not exist. A notice is issued in this case. name The name (optionally schema-qualified) of an existing text search configuration. CASCADE Automatically drop objects that depend on the text search configuration. RESTRICT Refuse to drop the text search configuration if any objects depend on it. This is the default. EXAMPLES
Remove the text search configuration my_english: DROP TEXT SEARCH CONFIGURATION my_english; This command will not succeed if there are any existing indexes that reference the configuration in to_tsvector calls. Add CASCADE to drop such indexes along with the text search configuration. COMPATIBILITY
There is no DROP TEXT SEARCH CONFIGURATION statement in the SQL standard. SEE ALSO
ALTER TEXT SEARCH CONFIGURATION [alter_text_search_configuration(7)], CREATE TEXT SEARCH CONFIGURATION [create_text_search_configura- tion(7)] SQL - Language Statements 2010-05-14 DROP TEXT SEARCH CONFIGURATION(7)
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