03-30-2009
I have a variant of the same question. I have been searching across number of threads, but it has not been covered, apparently.
Any input and explanation of the same would be helpful.
Sample Input
-------------
Record 1
Field 1: Data for field 1
Field 2: Data for field 2
Field 3: Data for field 3
Field 4: Data for field 4
Record 2
Field 1: Data for field 1
Field 2: Data for field 2
Field 4: Data for field 4
Record 3
Field 1: Data for field 1
Field 3: Data for field 3
Field 4: Data for field 4
---------------------------
Expected Output (The new inserts are in CAPS)
---------------------------
Record 1
Field 1: Data for field 1
Field 2: Data for field 2
Field 3: Data for field 3
Field 4: Data for field 4
Record 2
Field 1: Data for field 1
Field 2: Data for field 2
FIELD 3: <NULL>
Field 4: Data for field 4
Record 3
Field 1: Data for field 1
FIELD 2: <NULL>
Field 3: Data for field 3
Field 4: Data for field 4
Logic:
If (^Field) && ( (next occurence of ^Field) <> condition)
insert line as above
endif
endif
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LEARN ABOUT DEBIAN
validation::class::field
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)