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Shell Programming and Scripting
Deleting lines in a fixed length file where there is a word at specific location
Post 302852505 by RudiC on Wednesday 11th of September 2013 04:45:53 PM
09-11-2013
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I have a file which has some lines starting with a particular word. I would like to delete 5 lines before each such line containing that particular word.
eg:
line1
line2
line3
line4
line5
line6
"particular word"...
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Hi,
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....
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Hello, I have a file like this one:
03-07-2011 sunz02 message1
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Hello,
I have a file filled with dates, such as:
04-08-2011 message
04-08-2011 message
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31-07-2011 message
24-07-2011 message
15-07-2011 message
13-12-2008 message
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LEARN ABOUT CENTOS
end
END(7) PostgreSQL 9.2.7 Documentation END(7) NAME
END - commit the current transaction SYNOPSIS
END [ WORK | TRANSACTION ] DESCRIPTION
END commits the current transaction. All changes made by the transaction become visible to others and are guaranteed to be durable if a crash occurs. This command is a PostgreSQL extension that is equivalent to COMMIT(7). PARAMETERS
WORK, TRANSACTION Optional key words. They have no effect. NOTES
Use ROLLBACK(7) to abort a transaction. Issuing END when not inside a transaction does no harm, but it will provoke a warning message. EXAMPLES
To commit the current transaction and make all changes permanent: END; COMPATIBILITY
END is a PostgreSQL extension that provides functionality equivalent to COMMIT(7), which is specified in the SQL standard. SEE ALSO
BEGIN(7), COMMIT(7), ROLLBACK(7) PostgreSQL 9.2.7 2014-02-17 END(7)