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Full Discussion: Extracting Sysdate-1 ORA Errors - Can you help me in this UNIX Script?
Top Forums Shell Programming and Scripting Extracting Sysdate-1 ORA Errors - Can you help me in this UNIX Script? Post 302794755 by hanson44 on Tuesday 16th of April 2013 03:28:26 PM
Old 04-16-2013
I could not make the awk syntax work. The problem I ran into was using an awk command line variable inside a RE. Here was the closest I got:
Code:
$ cat log
Thu Apr 15 01:34:25 2013
Line 1 for April 15
Thu Apr 15 02:00:00 2013
Line 2 for April 15
Thu Apr 16 19:15:03 2013
Line 1 for April 16
Thu Apr 16 19:15:06 2013
Line 2 for April 16
Thu Apr 17 19:21:16 2013
Line 1 for April 17
Thu Apr 17 19:40:28 2013
Line 2 for April 17

Code:
a=`date '+%b %d' -d "yesterday"`
b=`date '+%b %d'`
awk '/$y/,/$t/ {print}' y="$a" t="$b" log

Maybe some other expert can provide an awk solution.

-----------------------------------------------

Here is a way to do this using sed:
Code:
a=`date '+%b %d' -d "yesterday"`
b=`date '+%b %d'`
echo a = $a, b = $b
sed -n "/$a/,/$b/ p" log | sed '$d'

Code:
$ ./temp.sh
a = Apr 15, b = Apr 16
Thu Apr 15 01:34:25 2013
Line 1 for April 15
Thu Apr 15 02:00:00 2013
Line 2 for April 15

 

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LEARN ABOUT MOJAVE

locale::codes::langext

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

NAME

       Locale::Codes::LangExt - standard codes for language extension identification

SYNOPSIS

	  use Locale::Codes::LangExt;

	  $lext = code2langext('acm');		       # $lext gets 'Mesopotamian Arabic'
	  $code = langext2code('Mesopotamian Arabic'); # $code gets 'acm'

	  @codes   = all_langext_codes();
	  @names   = all_langext_names();

DESCRIPTION

       The "Locale::Codes::LangExt" module provides access to standard codes used for identifying language extensions, 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 extensions. 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 = code2langext('acm','alpha');
	  $lext = code2langext('acm',LOCALE_LANGEXT_ALPHA);

       The codesets currently supported are:

       alpha
	   This is the set of three-letter (lowercase) codes from the IANA language registry, such as 'acm' for Mesopotamian Arabic.

	   This is the default code set.

ROUTINES

       code2langext ( CODE [,CODESET] )
       langext2code ( NAME [,CODESET] )
       langext_code2code ( CODE ,CODESET ,CODESET2 )
       all_langext_codes ( [CODESET] )
       all_langext_names ( [CODESET] )
       Locale::Codes::LangExt::rename_langext  ( CODE ,NEW_NAME [,CODESET] )
       Locale::Codes::LangExt::add_langext  ( CODE ,NAME [,CODESET] )
       Locale::Codes::LangExt::delete_langext  ( CODE [,CODESET] )
       Locale::Codes::LangExt::add_langext_alias  ( NAME ,NEW_NAME )
       Locale::Codes::LangExt::delete_langext_alias  ( NAME )
       Locale::Codes::LangExt::rename_langext_code  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangExt::add_langext_code_alias  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangExt::delete_langext_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							    2013-11-04					       Locale::Codes::LangExt(3pm)
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