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Full Discussion: Find a string across line break (because of "segmentation fault core dumped")
Top Forums UNIX for Dummies Questions & Answers Find a string across line break (because of "segmentation fault core dumped") Post 302926332 by thewizarde6 on Sunday 23rd of November 2014 12:29:33 PM
Old 11-23-2014
Hammer & Screwdriver Find a string across line break (because of "segmentation fault core dumped")
Hi,
thanks to a precedent post, and thanks to the reply of derekludwig of the forum, I have convert my first awk command as :

test.txt is : AAAAAGHIJKLAjKMEFJKLjklABCDJkLEFGHIJKL

Code:
awk -f findstring.awk test.txt > textreturn.txt

findstring.awk is :

Code:
BEGIN{ SLENGTH = 3 }
{
    
    skipped = 0
    starts = ""
 line   = tolower($0)
    while ( SSTART = index(line,string )) {
        starts = starts (starts?" ":"") (skipped + SSTART)
        line = substr(line,SSTART + SLENGTH)
        skipped += (SSTART + SLENGTH - 1)
    }
}
starts { print starts }

to find all "JKL" regular expression anyway the type of case. It returns 9 18 21 28 36.

Now, I would like to know if it is possible to find this string across different lines and obtain the first result, for example with test.txt like this :

AAAAAGHI
JKLAjKMEFJK
LjklABCDJkLEFGHIJKL

I have tried to transform input file as a unique line with this command :

Code:
awk -vRS="" ' {gsub("\n","",$0) ; print ""$0""} test.txt > test2.txt

But my file is so heavy that I receive this error :
Code:
segmentation fault (core dumped)

I have also tried this one :
Code:
cat test.txt | xargs |sed -e 's/ //g' > test2.txt

and it seems to be works (no messages).

But, by exploring the result file for one heavy file, not all lines are in one line; there is just less number of lines.

Thanks for your help,
Bye.
 

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LEARN ABOUT CENTOS

locale::codes::langfam

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

NAME

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

SYNOPSIS

	  use Locale::Codes::LangFam;

	  $lext = code2langfam('apa');		       # $lext gets 'Apache languages'
	  $code = langfam2code('Apache languages');    # $code gets 'apa'

	  @codes   = all_langfam_codes();
	  @names   = all_langfam_names();

DESCRIPTION

       The "Locale::Codes::LangFam" module provides access to standard codes used for identifying language families, such as those as defined in
       ISO 639-5.

       Most of the routines take an optional additional argument which specifies the code set to use. If not specified, the default ISO 639-5
       language family codes will be used.

SUPPORTED CODE SETS

       There are several different code sets you can use for identifying language families. 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 = code2langfam('apa','alpha');
	  $lext = code2langfam('apa',LOCALE_LANGFAM_ALPHA);

       The codesets currently supported are:

       alpha
	   This is the set of three-letter (lowercase) codes from ISO 639-5 such as 'apa' for Apache languages.

	   This is the default code set.

ROUTINES

       code2langfam ( CODE [,CODESET] )
       langfam2code ( NAME [,CODESET] )
       langfam_code2code ( CODE ,CODESET ,CODESET2 )
       all_langfam_codes ( [CODESET] )
       all_langfam_names ( [CODESET] )
       Locale::Codes::LangFam::rename_langfam  ( CODE ,NEW_NAME [,CODESET] )
       Locale::Codes::LangFam::add_langfam  ( CODE ,NAME [,CODESET] )
       Locale::Codes::LangFam::delete_langfam  ( CODE [,CODESET] )
       Locale::Codes::LangFam::add_langfam_alias  ( NAME ,NEW_NAME )
       Locale::Codes::LangFam::delete_langfam_alias  ( NAME )
       Locale::Codes::LangFam::rename_langfam_code  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangFam::add_langfam_code_alias  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangFam::delete_langfam_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.loc.gov/standards/iso639-5/id.php
	   ISO 639-5 .

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::LangFam(3)
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