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Top Forums Shell Programming and Scripting awk to replace a specific field in certain condition Post 302926505 by junior-helper on Monday 24th of November 2014 10:35:59 PM
Old 11-24-2014
Field 6 is not really null/blank. It is actually 2 spaces. Below regex should match null/blank field 6 as well as field 6 with one or more consecutive spaces.
Code:
awk 'BEGIN {FS=OFS=","} $6 ~ /^ *$/ { $6 = "00" }1' file

 

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Validation::Class::Field(3pm)				User Contributed Perl Documentation			     Validation::Class::Field(3pm)

NAME
Validation::Class::Field - Field Object for Validation::Class Classes VERSION
version 7.70 SYNOPSIS
package SomeClass; use Validation::Class; package main; my $class = SomeClass->new; ... my $field = $class->get_field('some_field_name'); $field->apply_filters; $field->validate; # validate this only $field->errors->count; # field-level errors 1; DESCRIPTION
Validation::Class::Field is responsible for field data handling in Validation::Class derived classes, performs functions at the field-level only. This class automatically creates attributes for all acceptable field directives as listed under "DIRECTIVES" in Validation::Class::Prototype. ATTRIBUTES
errors The errors attribute is a Validation::Class::Errors object. METHODS
new my $self = Validation::Class::Field->new({ name => 'some_field_name' }); AUTHOR
Al Newkirk <anewkirk@ana.io> COPYRIGHT AND LICENSE
This software is copyright (c) 2011 by Al Newkirk. This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself. perl v5.14.2 2012-06-28 Validation::Class::Field(3pm)
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