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Full Discussion: sed and awk usage to grep a pattern 1 and with reference to this grep a pattern 2 and pattern 3
Top Forums Shell Programming and Scripting sed and awk usage to grep a pattern 1 and with reference to this grep a pattern 2 and pattern 3 Post 302905333 by breezevinay on Wednesday 11th of June 2014 04:29:18 AM
Old 06-11-2014
sed and awk usage to grep a pattern 1 and with reference to this grep a pattern 2 and pattern 3
Hi ,

I have a file where i have modifed certain things compared to original file . The difference of the original file and modified file is as follows.

Code:
[root@ossvm24 mir_common]# diff mir_lex.c.modified mir_lex.c.orig
3209c3209
<                       if(yy_current_buffer -> yy_is_our_buffer == 0) {
---
> #ifdef YY_USES_REJECT
3212,3213c3212,3213
<                       }
<                       else {
---
> #else
>
3246,3247c3246,3247
<                       }
<               }
---
> #endif
>                       }

In the above mentioned diff , we can see that
Code:
#ifdef YY_USES_REJECT

is replaced by i
Code:
f(yy_current_buffer -> yy_is_our_buffer == 0) {

,

and the only the next occurence of
Code:
#else

should be replaced to two line i.e
Code:
}
else {


and next occurence of
Code:
#endif

should be replaced by
Code:
}

.

Please let me know how do i achieve this using sed and awk .

Regards,
Vinay
Last edited by Scrutinizer; 06-11-2014 at 05:39 AM.. Reason: code tags
 

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LEARN ABOUT CENTOS

locale::codes::langvar

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

NAME

       Locale::Codes::LangVar - standard codes for language variation identification

SYNOPSIS

	  use Locale::Codes::LangVar;

	  $lvar = code2langvar('acm');		       # $lvar gets 'Mesopotamian Arabic'
	  $code = langvar2code('Mesopotamian Arabic'); # $code gets 'acm'

	  @codes   = all_langvar_codes();
	  @names   = all_langvar_names();

DESCRIPTION

       The "Locale::Codes::LangVar" module provides access to standard codes used for identifying language variations, 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 variations. 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:

	  $lvar = code2langvar('arevela','alpha');
	  $lvar = code2langvar('arevela',LOCALE_LANGVAR_ALPHA);

       The codesets currently supported are:

       alpha
	   This is the set of alphanumeric codes from the IANA language registry, such as 'arevela' for Eastern Armenian.

	   This code set is identified with the symbol "LOCALE_LANGVAR_ALPHA".

	   This is the default code set.

ROUTINES

       code2langvar ( CODE [,CODESET] )
       langvar2code ( NAME [,CODESET] )
       langvar_code2code ( CODE ,CODESET ,CODESET2 )
       all_langvar_codes ( [CODESET] )
       all_langvar_names ( [CODESET] )
       Locale::Codes::LangVar::rename_langvar  ( CODE ,NEW_NAME [,CODESET] )
       Locale::Codes::LangVar::add_langvar  ( CODE ,NAME [,CODESET] )
       Locale::Codes::LangVar::delete_langvar  ( CODE [,CODESET] )
       Locale::Codes::LangVar::add_langvar_alias  ( NAME ,NEW_NAME )
       Locale::Codes::LangVar::delete_langvar_alias  ( NAME )
       Locale::Codes::LangVar::rename_langvar_code  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangVar::add_langvar_code_alias  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangVar::delete_langvar_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							    2013-04-12						 Locale::Codes::LangVar(3)
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