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matching multiple values in awk

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# 1  
Old 06-12-2009
matching multiple values in awk
How will you change the 5th column in the data file with the value in the second column in the error_correction.txt file.
You have to match an extra variable, column 3 of the error_correction file with column 6 of the data.txt file.


data.txt:

vgr,bugatti veron,,3.5,Maybe,6,.......,ax2,....
vgr,lamborgini,,3.5,nos,6,.......,gd2....
abc,bugatti veron,,3.5,nos,,6,.......,as3.......
.
.
.
.


error_correction.txt:
VenoM,Venom,am1
Venom,VENOM,ax2
nos,NOS,ba1
nos,N2O,gd2
nos,n2o,as3
..
.
.
.


How would you do this using awk?
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db2_field_type

DB2_FIELD_TYPE(3)							 1							 DB2_FIELD_TYPE(3)

db2_field_type - Returns the data type of the indicated column in a result set

SYNOPSIS

       string db2_field_type (resource	$stmt, mixed  $column)

DESCRIPTION

	Returns the data type of the indicated column in a result set.

PARAMETERS

	      o $stmt
		- Specifies a statement resource containing a result set.

	      o $column
		-  Specifies  the  column in the result set. This can either be an integer representing the 0-indexed position of the column, or a
		string containing the name of the column.

RETURN VALUES

	Returns a string containing the defined data type of the specified column. If the specified column does  not  exist  in  the  result  set,
       db2_field_type(3) returns FALSE.

SEE ALSO

       db2_field_display_size(3), db2_field_name(3), db2_field_num(3), db2_field_precision(3), db2_field_scale(3), db2_field_width(3).

PHP Documentation Group 													 DB2_FIELD_TYPE(3)