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Top Forums Shell Programming and Scripting Swapping a string of numbers between higher and lower order values(HEX) Post 302766573 by vivek d r on Tuesday 5th of February 2013 04:19:53 AM
Old 02-05-2013
Swapping a string of numbers between higher and lower order values(HEX)

I have this below string in a variable

Code:
cutString=21222222222222222122222222222222

this string is nothing but hex values depicted as below

Code:
 
21:22:22:22:22:22:22:22:21:22:22:22:22:22:22:22


so what i want to achieve is swap the lower order with higher order values in the string
Code:
21222222222222222122222222222222
 
output: 
12222222222222221222222222222222

let me give you another exaample

Code:
12345678901234567890123456789012
 
output:
21436587092143658709214365870921

also i need to do one more implementation

first i need to store this convertted output in one variable say nextString

later i need to introduce a space between each byte as below so that i can loop it in for loop and perform some operation..(PS: there shouldnt be an extra space at the end of string)

Code:
2 1 4 3 6 5 8 7 0 9 2 1 4 3 6 5 8 7 0 9 2 1 4 3 6 5 8 7 0 9 2 1



any help is deeply appreciated. thanks.

even if i can just learn how to introucde spaces, i can handle swapping in for loop by myself. :-)
 

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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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