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Full Discussion: comparing column of two different files and print the column from in order of 2nd file
Top Forums Shell Programming and Scripting comparing column of two different files and print the column from in order of 2nd file Post 302549638 by Corona688 on Tuesday 23rd of August 2011 01:49:55 PM
Old 08-23-2011
Code:
$ awk 'BEGIN { while(getline a<"file1") ARR[a]=1       }
        {       (ARR[$0]) || $0="ABSENT"        } 1' < file2
A
B
ABSENT
D
E
F
ABSENT
$

If file1 isn't in order, you have to store the whole thing to tell if lines are absent or present.
 

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LEARN ABOUT PHP

db2_field_name

DB2_FIELD_NAME(3)							 1							 DB2_FIELD_NAME(3)

db2_field_name - Returns the name of the column in the result set

SYNOPSIS

       string db2_field_name (resource	$stmt, mixed  $column)

DESCRIPTION

	Returns the name of the specified column in the 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 name of the specified column. If the specified column does not exist in the result set,  db2_field_name(3)
       returns FALSE.

SEE ALSO

       db2_field_display_size(3), db2_field_num(3), db2_field_precision(3), db2_field_scale(3), db2_field_type(3), db2_field_width(3).

PHP Documentation Group 													 DB2_FIELD_NAME(3)
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