09-13-2005
Removing duplicates
Hi, I've been trying to removed duplicates lines with similar columns in a fixed width file and it's not working.
I've search the forum but nothing comes close.
I have a sample file:
27147140631203RA CCD *
27147140631203RA PPN *
37147140631207RD AAA
47147140631203RD JNA
47147140631204DC ADK *
47147140631204DC ALK *
67147140631203DA ALM *
67147140631203DA CCD *
77147140631209QC RRP
87147140631203QA RRN
There are 3 spaces between first set of alphanumerics and the last three letter codes.
I want to remove lines that match only up to the 3 blanks and ignore the 3 letter codes or whatever else is on that line after the 3 letter codes.
Anyone know how I can do this? I want to keep at least one instance of any duplicates...doesn't matter which.
I put asteriks where I need to keep one of any two.
Thanks.
Gianni
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LEARN ABOUT SUSE
locale::language
Locale::Language(3pm) Perl Programmers Reference Guide Locale::Language(3pm)
NAME
Locale::Language - ISO two letter codes for language identification (ISO 639)
SYNOPSIS
use Locale::Language;
$lang = code2language('en'); # $lang gets 'English'
$code = language2code('French'); # $code gets 'fr'
@codes = all_language_codes();
@names = all_language_names();
DESCRIPTION
The "Locale::Language" module provides access to the ISO two-letter codes for identifying languages, as defined in ISO 639. You can either
access the codes via the "conversion routines" (described below), or via the two functions which return lists of all language codes or all
language names.
CONVERSION ROUTINES
There are two conversion routines: "code2language()" and "language2code()".
code2language()
This function takes a two letter language code and returns a string which contains the name of the language identified. If the code is
not a valid language code, as defined by ISO 639, then "undef" will be returned.
$lang = code2language($code);
language2code()
This function takes a language name and returns the corresponding two letter language code, if such exists. If the argument could not
be identified as a language name, then "undef" will be returned.
$code = language2code('French');
The case of the language name is not important. See the section "KNOWN BUGS AND LIMITATIONS" below.
QUERY ROUTINES
There are two function which can be used to obtain a list of all language codes, or all language names:
"all_language_codes()"
Returns a list of all two-letter language codes. The codes are guaranteed to be all lower-case, and not in any particular order.
"all_language_names()"
Returns a list of all language names for which there is a corresponding two-letter language code. The names are capitalised, and not
returned in any particular order.
EXAMPLES
The following example illustrates use of the "code2language()" function. The user is prompted for a language code, and then told the
corresponding language name:
$| = 1; # turn off buffering
print "Enter language code: ";
chop($code = <STDIN>);
$lang = code2language($code);
if (defined $lang)
{
print "$code = $lang
";
}
else
{
print "'$code' is not a valid language code!
";
}
KNOWN BUGS AND LIMITATIONS
o In the current implementation, all data is read in when the module is loaded, and then held in memory. A lazy implementation would be
more memory friendly.
o Currently just supports the two letter language codes - there are also three-letter codes, and numbers. Would these be of any use to
anyone?
SEE ALSO
Locale::Country
ISO codes for identification of country (ISO 3166). Supports 2-letter, 3-letter, and numeric country codes.
Locale::Script
ISO codes for identification of written scripts (ISO 15924).
Locale::Currency
ISO three letter codes for identification of currencies and funds (ISO 4217).
ISO 639:1988 (E/F)
Code for the representation of names of languages.
http://lcweb.loc.gov/standards/iso639-2/langhome.html
Home page for ISO 639-2.
AUTHOR
Neil Bowers <neil@bowers.com>
COPYRIGHT
Copyright (C) 2002-2004, Neil Bowers.
Copyright (c) 1997-2001 Canon Research Centre Europe (CRE).
This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.12.1 2010-05-13 Locale::Language(3pm)