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Full Discussion: Need to find and replace in a file
Top Forums UNIX for Beginners Questions & Answers Need to find and replace in a file Post 302997871 by Aia on Sunday 21st of May 2017 04:50:40 PM
Old 05-21-2017
Hi abhi_123,
Your data is not consistent. It has spaces and tabs mixed in. ^I is how I told the cat utility to show tabs.

Code:
cat -t abhi_123.example

Code:
20840GFC00524096100000LAU1LDNUSD CR       6.322017041120170411                       ^I^I^I^I^I^I  ^I       00016574200165737CO:BASAGIOSDSDSDSDSDSDSDSDSDSDSDSDSDSDSD
20840GFC00524096100000LAU1LDNUSD CR       6.322017041120170411             ^I^I^I^I^I^I^I^I       00016574200165737CO:BRGRUURSDSDSDSDSDSDSDSDSDSDSDSDSDSDSD
20840ABC00524096100000LAU1LDNUSD CR       6.322017041120170411              ^I^I^I^I^I^I^I^I       00016574200165737CO:BTGFGFGSDSDSDSDSDSDSDSDSDSDSDSDSDSDSD
20840ABC00524096100000LAU1LDNUSD CR       6.322017041120170411           ^I^I^I^I^I^I^I^I       00016574200165737CO:BGGFEWESDSDSDSDSDSDSDSDSDSDSDSDSDSDSD
20840ABC00524096100000LAU1LDNUSD CR       6.322017041120170411                       ^I^I^I^I^I^I  ^I       00016574200165737CO:BOGFDUISDSDSDSDSDSDSDSDSDSDSDSDSDSDSD
20840ABC00524096100000LAU1LDNUSD CR       6.322017041120170411                       ^I^I^I^I^I^I  ^I       00016574200165737CO:BPGFDSYSDSDSDSDSDSDSDSDSDSDSDSDSDSDSD
20840XYZ00524096100000LAU1LDNUSD CR       6.322017041120170411                       ^I^I^I^I^I^I  ^I       00016574200165737CO:BUGFGFGSDSDSDSDSDSDSDSDSDSDSDSDSDSDSD
20840XYZ00524096100000LAU1LDNUSD CR       6.322017041120170411                       ^I^I^I^I^I^I  ^I       00016574200165737CO:BTGFFSFSDSDSDSDSDSDSDSDSDSDSDSDSDSDSD
20840ABC00524096100000LAU1LDNUSD CR       6.322017041120170411            ^I^I^I^I^I^I^I^I       00016574200165737CO:BIGFGFGSDSDSDSDSDSDSDSDSDSDSDSDSDSDSD

Therefore you can not rely on positions how you have be proposing from the beginning of the thread.

Counting on this uncertainty, the following two options might or might not do what you want.
Code:
perl -pe '/ABC/ and s/CO:B\w+$//' abhi_123.example

or
Code:
perl -pe 's/(ABC.*?)CO:B\w+$/$1/' abhi_123.example

Last edited by Aia; 05-21-2017 at 05:56 PM..
 

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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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