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Top Forums Shell Programming and Scripting awk to print record not equal specific pattern Post 302801965 by arm on Thursday 2nd of May 2013 06:04:21 PM
Old 05-02-2013
Quote:
Originally Posted by hanson44
Code:
$ awk '($1 ~ /[12]0/ || $2 ~ /[12]0/) && substr ($3, 0, 6) > 130302 { print }' input
10 20 1303252348212B030
20 10 1303242348212B030
10 20 1303032348212B030

can you explain
Code:
substr ($3, 0, 6) > 130302

---------- Post updated at 05:04 PM ---------- Previous update was at 05:02 PM ----------

Quote:
Originally Posted by Yoda
Ok so there is nothing wrong with backslash:
Code:
awk '$2 ~ /[12]0' myfile
 syntax error The source line is 1.
 The error context is
                $2 ~ >>>  /[12]0 <<<

And there is nothing wrong with regexp not matching:
Code:
awk '$2 ! ~/[12]0' myfile
 syntax error The source line is 1.
 The error context is
                $2 ! >>>  ~ <<<

I hope then you have some explanation for above behavior?
do this
Code:
awk '$2 ~ /[12]0/' myfile

and this
Code:
awk '$2 ! ~/[12]0/' myfile

you still have error message ?
 

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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) 2011-2012 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::LangExt(3pm)
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