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Top Forums UNIX for Dummies Questions & Answers Remove duplicates based on a column in fixed width file Post 302437438 by Qwerty123 on Thursday 15th of July 2010 05:45:57 AM
Old 07-15-2010
Remove duplicates based on a column in fixed width file

Hi,

How to output the duplicate record to another file. We say the record is duplicate based on a column whose position is from 2 and its length is 11 characters.
The file is a fixed width file.

ex of Record:

DTYU12333567opert tjhi kkklTRG9012

The data in bold is the key on which the duplicates are identified.

Thanks.
 

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Mail::SPF::v1::Record(3)				User Contributed Perl Documentation				  Mail::SPF::v1::Record(3)

NAME
Mail::SPF::v1::Record - SPFv1 record class SYNOPSIS
See Mail::SPF::Record. DESCRIPTION
An object of class Mail::SPF::v1::Record represents an SPFv1 ("v=spf1") record. Constructors The following constructors are provided: new(%options): returns Mail::SPF::v1::Record Creates a new SPFv1 record object. %options is a list of key/value pairs representing any of the following options: text terms global_mods See "new" in Mail::SPF::Record. scopes See "new" in Mail::SPF::Record. Since SPFv1 records always implicitly cover the "helo" and "mfrom" scopes, this option must either be exactly ['helo', 'mfrom'] (or ['mfrom', 'helo']) or be omitted. new_from_string($text, %options): returns Mail::SPF::v1::Record; throws Mail::SPF::ENothingToParse, Mail::SPF::EInvalidRecordVersion, Mail::SPF::ESyntaxError Creates a new SPFv1 record object by parsing the string and any options given. Class methods The following class methods are provided: version_tag_pattern: returns Regexp Returns a regular expression that matches a version tag of 'v=spf1'. default_qualifier results_by_qualifier See "Class methods" in Mail::SPF::Record. Instance methods The following instance methods are provided: text scopes terms global_mods global_mod stringify eval See "Instance methods" in Mail::SPF::Record. version_tag: returns string Returns 'v=spf1'. SEE ALSO
Mail::SPF, Mail::SPF::Record, Mail::SPF::Term, Mail::SPF::Mech, Mail::SPF::Mod <http://tools.ietf.org/html/rfc4408> For availability, support, and license information, see the README file included with Mail::SPF. AUTHORS
Julian Mehnle <julian@mehnle.net>, Shevek <cpan@anarres.org> perl v5.18.2 2017-10-06 Mail::SPF::v1::Record(3)
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