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Full Discussion: awk script to check and throw error for multiplication result
Top Forums Shell Programming and Scripting awk script to check and throw error for multiplication result Post 303017169 by as7951 on Thursday 10th of May 2018 08:02:15 AM
Old 05-10-2018
Hi Rudic,

For the below row, multiplication result of $1 * $3 is equal to $5, so i should not get an error message, but im getting with your code
Error should display only for the bad records rows with header in another file , those have multiplication result deviation of more than +/- 2.
Code:
a|b|c|d|e
2.4||3.5||8.4

Also i am using below code(.awk) to do the same thing with below input file

Code:
BEGIN { FS="|" }
NR>1 { print $0 "\tis " (abs($5-($1*$3)) > 2 ? "bad" : "good") }
function abs(val) { return (val<0 ? -val : val) }

Executing as awk -f tst.awk file

Input

Code:
a|b|c|d|e
2.4||3.5||6.6
5||50||249
6.55||3456||22635.7
2.4||3.5||6.3
5|50|247
6.55||3456||22634.4


could you please help.
So with the above code i want to print only bad records in another file along with header and row number and not the both good and bad records.
Expected output

Code:
a||b||e
2.4||3.5||6.3   is bad, line number 1
5|50|247        is bad, line number 2
6.55||3456||22634.4     is bad, line number 3

 

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LEARN ABOUT OPENSOLARIS

abs

abs(3C) 						   Standard C Library Functions 						   abs(3C)

NAME

       abs, labs, llabs - return absolute value of integer

SYNOPSIS

       #include <stdlib.h>

       int abs(int val);

       long labs(long lval);

       long long llabs(long long llval);

DESCRIPTION

       The abs() function returns the absolute value of its int operand.

       The labs() function returns the absolute value of its long operand.

       The llabs() function returns the absolute value of its long long operand.

USAGE

       In 2's-complement representation, the absolute value of the largest magnitude negative integral value is undefined.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |MT-Safe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       attributes(5), standards(5)

SunOS 5.11							    24 Jul 2002 							   abs(3C)
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