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Full Discussion: Rename first N numeric strings in filename
Top Forums Shell Programming and Scripting Rename first N numeric strings in filename Post 303033744 by baris35 on Thursday 11th of April 2019 05:24:00 AM
Old 04-11-2019
Rename first N numeric strings in filename
Hello,
I have some video files containing numbers and characters . To tell the problem shortly, due to a limitation, I am unable create a playlist regularly changing on a daily basis with the command shuffle....So I decided to rename filenames, just a replacement of first five numbers randomly.
myfiles:
Code:
87338ArianaGrandebreakupwithyourgirlfriendimboredLH4Y1ZUUx2g.mp4
92593ArianaGrandebreathinkN0iD0pI3o0.mp4
29003ArianaGrandeDangerousWoman9WbCfHutDSE.mp4
29024ArianaGrandeFocuslfwVfwpfp8.mp4
39043ArianaGrandeGodisawomankHLHSlExFis.mp4

Code:
for i in `seq 5`
do
A=$( echo "$((10000 + RANDOM % 9999))" )
echo "$A"
done

Number creation is okay with above command..
Code:
11111
18367
12008
15249
10059

Expected output:
Code:
11111ArianaGrandebreakupwithyourgirlfriendimboredLH4Y1ZUUx2g.mp4
18367ArianaGrandebreathinkN0iD0pI3o0.mp4
12008ArianaGrandeDangerousWoman9WbCfHutDSE.mp4
15249ArianaGrandeFocuslfwVfwpfp8.mp4
10059ArianaGrandeGodisawomankHLHSlExFis.mp4

How can I do it? Is there a command to separate numeric / alphanumeric fields ?

Thank you
Boris
 

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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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