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Full Discussion: NAWK conversion of hexadecimal input to decimal output via printf, I am close I can feel it
Top Forums Shell Programming and Scripting NAWK conversion of hexadecimal input to decimal output via printf, I am close I can feel it Post 302618185 by PCGameGuy on Tuesday 3rd of April 2012 05:31:55 PM
Old 04-03-2012
NAWK conversion of hexadecimal input to decimal output via printf, I am close I can feel it
I have searched and the answers I have found thus far have led me to this point, so I feel I am just about there.

I am trying to convert a column of hexadecimal to decimal values so that I can filter out via grep just the data I want. I was able to pull my original 3 character hex value and append 0x to the front but the printf statement seems not to work to convert it to decimal. I dumped my output to a file and have been trying to get it to convert so I can proceed on.

Here are the last lines snipped from my file, as it it large:


Code:
0x0C0,###0,33,6291
0x011,###1,59,0
0x009,###0,59,362147
0x011,###2,59,260
0x00E,###2,59,1051
0x008,###1,33,0
0x034,###2,59,0
0x001,###3,59,208
0x00E,###2,33,52
0x034,###2,33,0
0x00F,###1,59,0
0x009,###0,33,33022

From the shell prompt I tried:

Code:
printf  "%d\n" 0x03E

and get the proper output:

62

If I type:

Code:
cat <file>|nawk -F, '{printf "%d\n" , $1}'

I get nothing but zeroes as output:


Code:
0
0
0
0
0
0
0
0
0


I tested via:

Code:
cat <file>|nawk -F, '{$1,"     ""%d\n",$1}'

and my output has the correct output from $1, but "%d\n" won't output the decimal equivalent:


Code:
0x0C0     0
0x011     0
0x009     0
0x011     0
0x00E     0
0x008     0
0x034     0
0x001     0
0x00E     0
0x034     0
0x00F     0
0x009     0



So what am I missing? I have had it suggested that printf is different in awk than in the shell but that seemed wrong from what I read.
Last edited by PCGameGuy; 04-03-2012 at 07:20 PM.. Reason: Edited for clarity
 

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LEARN ABOUT MOJAVE

locale::codes::langvar

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

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('en','alpha-2');
	  $lvar = code2langvar('en',LOCALE_CODE_ALPHA_2);

       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 v5.18.2							    2014-01-06					       Locale::Codes::LangVar(3pm)
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