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Full Discussion: Help with a rotate log script
Top Forums Shell Programming and Scripting Help with a rotate log script Post 302697429 by 244an on Thursday 6th of September 2012 07:47:27 PM
Old 09-06-2012
Quote:
Originally Posted by newbie_01
...
BTW, just noted, I actually need to do the re-order/re-numbering before doing the rotate, not after ....
Don't know if you mean that you want help with this, bur here is a suggestion, I kept your syntax (with small adjustments) because I have never used ksh.
Code:
#!/bin/ksh
file_to_rotate=${1}
max=${2}
let curr=1
while [[ ${curr} -lt ${max} ]]; do
  if [[ ! -f ${file_to_rotate}.${curr} ]]; then
    let next=${curr}+1
    while [[ ${next} -le ${max} ]]; do
      if [[ -f ${file_to_rotate}.${next} ]]; then
        mv ${file_to_rotate}.${next} ${file_to_rotate}.${curr}
        let next=${max}+1 # don't know about ksh, if you can use break here instead
      else
        let next=${next}+1
      fi
    done
  fi
  let curr=${curr}+1
done

In your script in your first post I would have preferred mv x y instead of cp -p x y, on both places where you do the copy. For the first occurrence the "file_to_rotate" is not "rotated", it is copied to "file_to_rotate.1" but "file_to_rotate" still remains.
For second occurrence it will be the same result at the end, but if the script for some reason crashes in the middle you will have a confusing copy.
Last edited by 244an; 09-07-2012 at 08:19 AM..
 

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LEARN ABOUT OSX

locale::codes::currency

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

NAME

       Locale::Codes::Currency - standard codes for currency identification

SYNOPSIS

	   use Locale::Codes::Currency;

	   $curr = code2currency('usd');     # $curr gets 'US Dollar'
	   $code = currency2code('Euro');    # $code gets 'eur'

	   @codes   = all_currency_codes();
	   @names   = all_currency_names();

DESCRIPTION

       The "Locale::Codes::Currency" module provides access to standard codes used for identifying currencies and funds, such as those defined in
       ISO 4217.

       Most of the routines take an optional additional argument which specifies the code set to use. If not specified, the default ISO 4217
       three-letter codes will be used.

SUPPORTED CODE SETS

       There are several different code sets you can use for identifying currencies. 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:

	  $curr = code2currency('usd','alpha');
	  $curr = code2currency('usd',LOCALE_CURR_ALPHA);

       The codesets currently supported are:

       alpha, LOCALE_CURR_ALPHA
	   This is a set of three-letter (uppercase) codes from ISO 4217 such as EUR for Euro.

	   Two of the codes specified by the standard (XTS which is reserved for testing purposes and XXX which is for transactions where no
	   currency is involved) are omitted.

	   This is the default code set.

       num, LOCALE_CURR_NUMERIC
	   This is the set of three-digit numeric codes from ISO 4217.

ROUTINES

       code2currency ( CODE [,CODESET] )
       currency2code ( NAME [,CODESET] )
       currency_code2code ( CODE ,CODESET ,CODESET2 )
       all_currency_codes ( [CODESET] )
       all_currency_names ( [CODESET] )
       Locale::Codes::Currency::rename_currency  ( CODE ,NEW_NAME [,CODESET] )
       Locale::Codes::Currency::add_currency  ( CODE ,NAME [,CODESET] )
       Locale::Codes::Currency::delete_currency  ( CODE [,CODESET] )
       Locale::Codes::Currency::add_currency_alias  ( NAME ,NEW_NAME )
       Locale::Codes::Currency::delete_currency_alias  ( NAME )
       Locale::Codes::Currency::rename_currency_code  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::Currency::add_currency_code_alias  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::Currency::delete_currency_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.iso.org/iso/support/currency_codes_list-1.htm
	   The ISO 4217 data.

AUTHOR

       See Locale::Codes for full author history.

       Currently maintained by Sullivan Beck (sbeck@cpan.org).

COPYRIGHT

	  Copyright (c) 1997-2001 Canon Research Centre Europe (CRE).
	  Copyright (c) 2001	  Michael Hennecke
	  Copyright (c) 2001-2010 Neil Bowers
	  Copyright (c) 2010-2012 Sullivan Beck

       This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

perl v5.16.2							    2012-10-11					      Locale::Codes::Currency(3pm)
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