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Top Forums UNIX for Beginners Questions & Answers Extract the whole set if a pattern matches Post 302992054 by raju2016 on Tuesday 21st of February 2017 04:44:20 AM
Old 02-21-2017
Extract the whole set if a pattern matches

Hi,

I have to extract the whole set if a pattern matches.i have a file called input.txt

input.txt
------------
Code:
 CREATE TABLE ABC
(
A,
B,
C
);
CREATE TABLE XYZ
(
X,
Y,
Z,
P,
Q
);

Now i have another file called table.txt which has an entry

Table.txt
----------
Code:
 XYZ

so now if XYZ matches the string in Input.txt then i need to grab it into a different file called output.txt.As XYZ maches the pattern which is in input.txt and need to push to output.txt

output.txt
----------
Code:
CREATE TABLE XYZ
(
X,
Y,
Z,
P,
Q
);

for better match we can include the whole string like CREATE TABLE XYZ





Moderator's Comments:
Mod Comment Please use CODE tags correctly as required by forum rules! Enclose code, data, error msgs and the like, NOT the entire text!

Last edited by RudiC; 02-21-2017 at 06:34 AM.. Reason: Changed CODE tags.
 

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SELECT 
INTO(7) SQL Commands SELECT INTO(7) NAME
SELECT INTO - define a new table from the results of a query SYNOPSIS
[ WITH [ RECURSIVE ] with_query [, ...] ] SELECT [ ALL | DISTINCT [ ON ( expression [, ...] ) ] ] * | expression [ [ AS ] output_name ] [, ...] INTO [ TEMPORARY | TEMP ] [ TABLE ] new_table [ FROM from_item [, ...] ] [ WHERE condition ] [ GROUP BY expression [, ...] ] [ HAVING condition [, ...] ] [ WINDOW window_name AS ( window_definition ) [, ...] ] [ { UNION | INTERSECT | EXCEPT } [ ALL ] select ] [ ORDER BY expression [ ASC | DESC | USING operator ] [ NULLS { FIRST | LAST } ] [, ...] ] [ LIMIT { count | ALL } ] [ OFFSET start [ ROW | ROWS ] ] [ FETCH { FIRST | NEXT } [ count ] { ROW | ROWS } ONLY ] [ FOR { UPDATE | SHARE } [ OF table_name [, ...] ] [ NOWAIT ] [...] ] DESCRIPTION
SELECT INTO creates a new table and fills it with data computed by a query. The data is not returned to the client, as it is with a normal SELECT. The new table's columns have the names and data types associated with the output columns of the SELECT. PARAMETERS
TEMPORARY or TEMP If specified, the table is created as a temporary table. Refer to CREATE TABLE [create_table(7)] for details. new_table The name (optionally schema-qualified) of the table to be created. All other parameters are described in detail under SELECT [select(7)]. NOTES
CREATE TABLE AS [create_table_as(7)] is functionally similar to SELECT INTO. CREATE TABLE AS is the recommended syntax, since this form of SELECT INTO is not available in ECPG or PL/pgSQL, because they interpret the INTO clause differently. Furthermore, CREATE TABLE AS offers a superset of the functionality provided by SELECT INTO. Prior to PostgreSQL 8.1, the table created by SELECT INTO included OIDs by default. In PostgreSQL 8.1, this is not the case -- to include OIDs in the new table, the default_with_oids configuration variable must be enabled. Alternatively, CREATE TABLE AS can be used with the WITH OIDS clause. EXAMPLES
Create a new table films_recent consisting of only recent entries from the table films: SELECT * INTO films_recent FROM films WHERE date_prod >= '2002-01-01'; COMPATIBILITY
The SQL standard uses SELECT INTO to represent selecting values into scalar variables of a host program, rather than creating a new table. This indeed is the usage found in ECPG (see in the documentation) and PL/pgSQL (see in the documentation). The PostgreSQL usage of SELECT INTO to represent table creation is historical. It is best to use CREATE TABLE AS for this purpose in new code. SEE ALSO
CREATE TABLE AS [create_table_as(7)] SQL - Language Statements 2010-05-14 SELECT INTO(7)
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