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Full Discussion: awk out an unknown column ?
Top Forums Shell Programming and Scripting awk out an unknown column ? Post 302221011 by ghostdog74 on Saturday 2nd of August 2008 10:59:39 PM
Old 08-02-2008
Code:
awk '{
  for( ......) #go through all fields
  {
   if( field contains what i want ){
     print field
   }
  }

}' file

 

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MySQL::Diff::Table(3pm) 				User Contributed Perl Documentation				   MySQL::Diff::Table(3pm)

NAME
MySQL::Diff::Table - Table Definition Class SYNOPSIS
use MySQL::Diff::Table my $db = MySQL::Diff::Database->new(%options); my $def = $db->def(); my $name = $db->name(); my $field = $db->field(); my $fields = $db->fields(); # %$fields my $primary_key = $db->primary_key(); my $indices = $db->indices(); # %$indices my $options = $db->options(); my $isfield = $db->isa_field($field); my $isprimary = $db->isa_primary($field); my $isindex = $db->isa_index($field); my $isunique = $db->is_unique($field); my $isfulltext = $db->is_fulltext($field); DESCRIPTION
Parses a table definition into component parts. METHODS
Constructor new( %options ) Instantiate the objects, providing the command line options for database access and process requirements. Public Methods Fuller documentation will appear here in time :) o def Returns the table definition as a string. o name Returns the name of the current table. o field Returns the current field definition of the given field. o fields Returns an array reference to a list of fields. o primary_key Returns a hash reference to fields used as primary key fields. o indices Returns a hash reference to fields used as index fields. o options Returns the additional options added to the table definition. o isa_field Returns 1 if given field is used in the current table definition, otherwise returns 0. o isa_primary Returns 1 if given field is defined as a primary key, otherwise returns 0. o isa_index Returns 1 if given field is used as an index field, otherwise returns 0. o is_unique Returns 1 if given field is used as unique index field, otherwise returns 0. o is_fulltext Returns 1 if given field is used as fulltext index field, otherwise returns 0. COPYRIGHT AND LICENSE
Copyright (c) 2000-2011 Adam Spiers. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. SEE ALSO
mysqldiff, MySQL::Diff, MySQL::Diff::Database, MySQL::Diff::Utils AUTHOR
Adam Spiers <mysqldiff@adamspiers.org> perl v5.14.2 2012-04-06 MySQL::Diff::Table(3pm)
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