"Add column and multiply its result to all elements of another column"

Post #303032059 by Sagar Singh on Sunday 10th of March 2019 02:26:44 PM

Add column and multiply its result to all elements of another column

Input file is as follows:
Code:
1    |   6
2   |   7
3   |  8
4  |   9
5   | 10

Output reuired (sum of the first column $1*$2)

Code:
1    |   6     |  90
2     | 7  |     105
3     | 8    |   120
4      |9      | 135
5     |10     | 150

Moderator's Comments:
Mod Comment Please enclose sample input, sample output, and code segments in CODE tags as required by forum rules.

Last edited by RavinderSingh13; 04-09-2019 at 10:45 AM.. Reason: Removed unnecessary caps from user's question.
 

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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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