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Full Discussion: use awk to append values
Top Forums UNIX for Dummies Questions & Answers use awk to append values Post 302225358 by era on Friday 15th of August 2008 08:32:45 AM
Old 08-15-2008
Your example is not clear. Do you mean x1:a1 x2:b1 x3:c1 x1:a2 x2:b2 x3:c2 should map to a1 a2; b1 b2; c1 c2, or what?

Code:
awk -F : '{ tag[$1] = tag[$1] " " $2 } END { for (t in tag) print tag[t] }' file

There will be a leading space on the output lines; it can be avoided, of course, but maybe it's simpler to just post-process the output if necessary.
 

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HTML::Prototype::Helper::Tag(3pm)			User Contributed Perl Documentation			 HTML::Prototype::Helper::Tag(3pm)

NAME
HTML::Prototype::Helper::Tag - Defines a tag object needed by HTML::Prototype SYNOPSIS
use HTML::Prototype::Helper; DESCRIPTION
Defines a tag object needed by HTML::Prototype REMARKS Until version 1.43, the internal function $self-_tag> used $tag-as_XML> as its return value. By now, it will use $tag-as_HTML( $entities )> to invokee HTML::Entities::encode_entities. This behaviour can be overridden by setting $HTML::Prototype::Helper::Tag::USE_ASXML_FOR_TAG to 1. METHODS HTML::Prototype::Helper::Tag->new( $object_name, $method_name, $template_object, $local_binding, $object ) $tag->object_name( [$object_name] ) $tag->method_name( [$method_name] ) $tag->template_object( [$template_object] ) $tag->local_binding( [$local_binding] ) $tag->object( [$object] ) $tag->value( ) $tag->value_before_type_cast( ) $tag->to_input_field_tag( $field_type, \%options ) $tag->to_content_tag( $tag_name, $value, \%options ) SEE ALSO
HTML::Prototype, <http://prototype.conio.net/> AUTHOR
Sascha Kiefer, "esskar@cpan.org" Built around Prototype by Sam Stephenson. Much code is ported from Ruby on Rails javascript helpers. LICENSE
This library is free software. You can redistribute it and/or modify it under the same terms as perl itself. perl v5.10.1 2006-05-22 HTML::Prototype::Helper::Tag(3pm)
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