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Full Discussion: grep grab 19 letters from now or a full line
Top Forums Shell Programming and Scripting grep grab 19 letters from now or a full line Post 302679605 by jacobs.smith on Tuesday 31st of July 2012 10:00:16 AM
Old 07-31-2012
grep grab 19 letters from now or a full line
Hi,

I have a file like this

Code:
>hg19_chr1_123_456_+
asndbansbdahsjdbfsjhfghjdsghjdghjdjhdghjjdkhfsdkjfhdsjkdkjghkjdhgfjkhjfkf
hasjgdhjsgfhjdsgfdsgfjhdgjhdjhdhjdfhjdfjgfdfbdghjbfjksdhfjsfdghjgdhjgfdjhgd
jhgdfj
>hg19_chr1_123_456_-
akjldshfuiewyruiewehbjhvbdcnmbfhdsjfjdbfhdbhjdbghjfdbghjbdfghjdfbjhbkk
jsdhfjdgjfdgjfdgjkfdhjkfhkjfhjkfjkhkjfskjdfhkjhgjkdgkjfdhgjkfhjkfhgkfhkfkjhgf
dshjghjdg
>hg19_chr2_234_456_+
skjfhdsjkfghdjkghdfjkhgjkfdghjkdfuiertytoierytuireyteiruytueriyteruytierutye
sjhdjashdjahjkdasjkhdajkshdkajshdkashdasruweyriweyrueiwryewrewurewuu
jdhfjkdshf

I want to grep the start of line to be '>' and grab the next 19 letters or the whole line

So, my output will be

Code:
>hg19_chr1_123_456_+
>hg19_chr1_123_456_-
>hg19_chr2_234_456_+

 

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LEARN ABOUT CENTOS

locale::codes::langext

Locale::Codes::LangExt(3)				User Contributed Perl Documentation				 Locale::Codes::LangExt(3)

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) 2011-2013 Sullivan Beck

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

perl v5.16.3							    2013-02-27						 Locale::Codes::LangExt(3)
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