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Full Discussion: Grep unique 1st column
Top Forums UNIX for Dummies Questions & Answers Grep unique 1st column Post 302897561 by spacebar on Monday 14th of April 2014 07:20:44 PM
Old 04-14-2014
Don't understand, From your example data if you search for a 'B' in first column, Do you only want one 'B' output?
 

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DB2_FIELD_NUM(3)							 1							  DB2_FIELD_NUM(3)

db2_field_num - Returns the position of the named column in a result set

SYNOPSIS
int db2_field_num (resource $stmt, mixed $column) DESCRIPTION
Returns the position of the named 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 an integer containing the 0-indexed position of the named column in the result set. If the specified column does not exist in the result set, db2_field_num(3) returns FALSE. SEE ALSO
db2_field_display_size(3), db2_field_name(3), db2_field_precision(3), db2_field_scale(3), db2_field_type(3), db2_field_width(3). PHP Documentation Group DB2_FIELD_NUM(3)
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