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Full Discussion: Remove lines containing 2 or more duplicate strings
Top Forums Shell Programming and Scripting Remove lines containing 2 or more duplicate strings Post 302964705 by RavinderSingh13 on Monday 18th of January 2016 08:31:21 AM
Old 01-18-2016
Hello martinsmith,

Adding one more solution here without 2 time loops, which may help you here. Let's say following is the Input_file.
Code:
One and a Two
Unix.com is the Best
This as a Line Line
Example duplicate sentence with the word DUPLICATE
UNIX is very good GOOD

Then following is the code.
Code:
awk '{for(i=1;i<=NF;i++){A[tolower($i)]};if(NF == length(A)){print};delete A}'  Input_file

Output will be as follows.
Code:
One and a Two
Unix.com is the Best

EDIT: Above solution should work fine but each time condition will be invoked in for loop so a little change as follows will avoid that also.
Code:
 awk '{for(i=1;i<=NF;i++){A[tolower($i)]}};{if(NF == length(A)){print};delete A}'  Input_file

So above I am closing the loop before and after completion of it I am executing the condition part then.

Thanks,
R. Singh
Last edited by RavinderSingh13; 01-18-2016 at 09:42 AM.. Reason: Added a very tiny changed solution, because of if condition have put it out of for loop now.
These 2 Users Gave Thanks to RavinderSingh13 For This Post:
martinsmith Scrutinizer
 

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LEARN ABOUT OSX

locale::codes::langext

Locale::Codes::LangExt(3pm)				 Perl Programmers Reference Guide			       Locale::Codes::LangExt(3pm)

NAME

       Locale::Codes::LangExt - standard codes for language extension identification

SYNOPSIS

	  use Locale::Codes::LangExt;

	  $lext = code2langext('acm');		       # $lext gets 'Mesopotamian Arabic'
	  $code = langext2code('Mesopotamian Arabic'); # $code gets 'acm'

	  @codes   = all_langext_codes();
	  @names   = all_langext_names();

DESCRIPTION

       The "Locale::Codes::LangExt" module provides access to standard codes used for identifying language extensions, such as those as defined in
       the IANA language registry.

       Most of the routines take an optional additional argument which specifies the code set to use. If not specified, the default IANA language
       registry codes will be used.

SUPPORTED CODE SETS

       There are several different code sets you can use for identifying language extensions. A code set may be specified using either a name, or
       a constant that is automatically exported by this module.

       For example, the two are equivalent:

	  $lext = code2langext('acm','alpha');
	  $lext = code2langext('acm',LOCALE_LANGEXT_ALPHA);

       The codesets currently supported are:

       alpha
	   This is the set of three-letter (lowercase) codes from the IANA language registry, such as 'acm' for Mesopotamian Arabic.

	   This is the default code set.

ROUTINES

       code2langext ( CODE [,CODESET] )
       langext2code ( NAME [,CODESET] )
       langext_code2code ( CODE ,CODESET ,CODESET2 )
       all_langext_codes ( [CODESET] )
       all_langext_names ( [CODESET] )
       Locale::Codes::LangExt::rename_langext  ( CODE ,NEW_NAME [,CODESET] )
       Locale::Codes::LangExt::add_langext  ( CODE ,NAME [,CODESET] )
       Locale::Codes::LangExt::delete_langext  ( CODE [,CODESET] )
       Locale::Codes::LangExt::add_langext_alias  ( NAME ,NEW_NAME )
       Locale::Codes::LangExt::delete_langext_alias  ( NAME )
       Locale::Codes::LangExt::rename_langext_code  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangExt::add_langext_code_alias  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangExt::delete_langext_code_alias  ( CODE [,CODESET] )
	   These routines are all documented in the Locale::Codes::API man page.

SEE ALSO

       Locale::Codes
	   The Locale-Codes distribution.

       Locale::Codes::API
	   The list of functions supported by this module.

       http://www.iana.org/assignments/language-subtag-registry
	   The IANA language subtag registry.

AUTHOR

       See Locale::Codes for full author history.

       Currently maintained by Sullivan Beck (sbeck@cpan.org).

COPYRIGHT

	  Copyright (c) 2011-2012 Sullivan Beck

       This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

perl v5.16.2							    2012-10-11					       Locale::Codes::LangExt(3pm)
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