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Top Forums Shell Programming and Scripting How to solve the problem of overwriting an array? Post 302569748 by ahamed101 on Tuesday 1st of November 2011 11:35:00 AM
Old 11-01-2011
Code:
awk 'NR==FNR{a[$1]=$2;next}{print a[$1]?a[$1]:"ABSENT"}'  file1 file2

Code:
[orange@efcgnis ~/aen/temp]cat file1
aws 21 34 678960
fsd 78 56 689754
xsa 55 77 764292
klj 32 54 567873
[orange@efcgnis ~/aen/temp]
[orange@efcgnis ~/aen/temp]cat file2
xsa
fsd
klj
sdf
aws
[orange@efcgnis ~/aen/temp]
[orange@efcgnis ~/aen/temp]awk 'NR==FNR{a[$1]=$2;next}{print a[$1]?a[$1]:"ABSENT"}' file1 file2
55
78
32
ABSENT
21

--ahamed
 

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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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