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Full Discussion: How to remove new line character and append new line character in a file?
Operating Systems HP-UX How to remove new line character and append new line character in a file? Post 302466488 by ctsgnb on Tuesday 26th of October 2010 01:20:52 PM
Old 10-26-2010
Code:
sed 's: *\\n *: :g;s: *, *:,:g' infile

This would also remove space touching coma.

or
Code:
sed 's:\\n: :g;s:  *: :g' infile

s substitute
: separator
\\n pattern to replace (the \ is used to desactivate the \n )
<space> new pattern
g subtitution takes place globaly in the line even if more than 1 occurrence occur

the second substitution crush any number of space character into one in the line so you will never have more than 1 single space


Code:
# cat in
ID,Client ,SNo,Rank
37,Airtel \n Private \n limited,100,999\n
38,Vodaphone India \n Private Limited,200,888\n
39,Dell Limited,300,777\n
40,HP India Ltd\n,400,666\n
# sed 's:\\n: :g;s:  *: :g' in
ID,Client ,SNo,Rank
37,Airtel Private limited,100,999
38,Vodaphone India Private Limited,200,888
39,Dell Limited,300,777
40,HP India Ltd ,400,666
#

... could be gather in one substitution

Code:
sed 's: *\\n *: :g' in

a \n preceeded or followed by any number of space (even 0) is replaced by one single space
Last edited by ctsgnb; 10-26-2010 at 02:35 PM..
These 2 Users Gave Thanks to ctsgnb For This Post:
lucasmanson sasikari
 

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LEARN ABOUT MOJAVE

locale::codes::langfam

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

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 v5.18.2							    2013-11-04					       Locale::Codes::LangFam(3pm)
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