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Top Forums Shell Programming and Scripting How to solve the problem of overwriting an array? Post 302569693 by CAch on Tuesday 1st of November 2011 09:26:47 AM
Old 11-01-2011
How to solve the problem of overwriting an array?

Hi all,

I have a file.....

Quote:
aws 21 34 678960
fsd 78 56 689754
xsa 55 77 764292
klj 32 54 567873
I want to print 2nd column arranged according to order of first column, present in second file.....

Quote:
xsa
fsd
klj
sdf
aws
So, the output should be:

Quote:
55
78
32
ABSENT
21
I am using following code:

Code:
awk 'NR==FNR{a[$1]=$2;next}{print a[$0]?a[$0]:"ABSENT\t"}' file1 file2

But, it seems that the array created is overwriting the values one by one and finally printing only the last row.
The output Iam getting is like:

Quote:
ABSENT
ABSENT
ABSENT
ABSENT
21
Can anyone please help me in figuring out this problem ........
 

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DB2_FIELD_DISPLAY_SIZE(3)						 1						 DB2_FIELD_DISPLAY_SIZE(3)

db2_field_display_size - Returns the maximum number of bytes required to display a column

SYNOPSIS
int db2_field_display_size (resource $stmt, mixed $column) DESCRIPTION
Returns the maximum number of bytes required to display a 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 value with the maximum number of bytes required to display the specified column. If the column does not exist in the result set, db2_field_display_size(3) returns FALSE. SEE ALSO
db2_field_name(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_DISPLAY_SIZE(3)
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