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Full Discussion: Convert columns to rows in a file
Top Forums Shell Programming and Scripting Convert columns to rows in a file Post 302626279 by Skrynesaver on Thursday 19th of April 2012 06:19:26 AM
Old 04-19-2012
Code:
perl -e '
open DATA, "<", "$ENV{HOME}/tmp/tmp.dat";  #Or wherever your data file is
$header=readline(DATA);                    # grab the headings
@header=split(/\s+/,$header);              # and parse them into separate fields
$waste=shift(@header);                     # Drop the pointless heading
while(<DATA>){                             # step through the rest of the file
	chomp;                                   # lose new lines
	@record=split(/\s+/,$_);                 # parse lines into fields
	for ($index=0;$index<@header;$index++){  # for each header field
	                                         # print out the 2 related entries in the format specified
		print "$record[0] $header[$index] $record[($index * 2 ) + 1] $record[($index * 2 )+2]\n";
	}
}'
b1 marker1 A G
b1 marker2 A C
b1 marker3 A T
b1 marker4 G G
b2 marker1 A A
b2 marker2 C C
b2 marker3 G G
b2 marker4 A A

Last edited by Skrynesaver; 04-19-2012 at 07:28 AM.. Reason: fencepost error
This User Gave Thanks to Skrynesaver For This Post:
ryan9011
 

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LEARN ABOUT CENTOS

drop_foreign_data_wrapper

DROP FOREIGN DATA 
WRAPPER(7)				  PostgreSQL 9.2.7 Documentation			      DROP FOREIGN DATA WRAPPER(7)

NAME

       DROP_FOREIGN_DATA_WRAPPER - remove a foreign-data wrapper

SYNOPSIS

       DROP FOREIGN DATA WRAPPER [ IF EXISTS ] name [ CASCADE | RESTRICT ]

DESCRIPTION

       DROP FOREIGN DATA WRAPPER removes an existing foreign-data wrapper. To execute this command, the current user must be the owner of the
       foreign-data wrapper.

PARAMETERS

       IF EXISTS
	   Do not throw an error if the foreign-data wrapper does not exist. A notice is issued in this case.

       name
	   The name of an existing foreign-data wrapper.

       CASCADE
	   Automatically drop objects that depend on the foreign-data wrapper (such as servers).

       RESTRICT
	   Refuse to drop the foreign-data wrappers if any objects depend on it. This is the default.

EXAMPLES

       Drop the foreign-data wrapper dbi:

	   DROP FOREIGN DATA WRAPPER dbi;

COMPATIBILITY

       DROP FOREIGN DATA WRAPPER conforms to ISO/IEC 9075-9 (SQL/MED). The IF EXISTS clause is a PostgreSQL extension.

SEE ALSO

       CREATE FOREIGN DATA WRAPPER (CREATE_FOREIGN_DATA_WRAPPER(7)), ALTER FOREIGN DATA WRAPPER (ALTER_FOREIGN_DATA_WRAPPER(7))

PostgreSQL 9.2.7						    2014-02-17					      DROP FOREIGN DATA WRAPPER(7)
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