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Full Discussion: rearrange a file
Top Forums Shell Programming and Scripting rearrange a file Post 302276700 by Padow on Wednesday 14th of January 2009 11:39:53 AM
Old 01-14-2009
Try this:

Code:
tail +2 <myfile> | head -100 | awk 'BEGIN { FS=","; COL1=""; COL2="" } { COL1 = COL1 $1; COL2 = COL2 $4 } END { print COL2 "\n" COL1 }'

Padow
 

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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)
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