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Full Discussion: using join command for files
Special Forums Hardware Filesystems, Disks and Memory using join command for files Post 26255 by isacs on Wednesday 14th of August 2002 03:24:21 AM
Old 08-14-2002
Hi Nisha,

one of your other questions I think I´m able to answer.

2. Why can't I directly join the file_one and file_two?

You can Join them directly but then you can only join them by one column.

So what Peter did was to concatenate the "firstname" & "lastname" column for both files

(And this explains the first of your other questions
1. Why do i need two temp files at all?? )

The third questionI ´ll try to answer as well
3. Why should there be a statement like this ?
BEGIN { OFS = "," } { print $1 $2, $1, $2, $3 ,$4 }

this lines output will be

BEGIN { OFS = "," } { print $1, $2, $3 ,$4 }

|firstnamelastname|firstname|lastname|age|hight|

After that he was able to join those both files based on two columns, whats not exactly correct, cause he joined them based on one column in what the keycolumns has benn concatenated.


the Output of the second statement is
|firstname|lastname|age|hight|

Did I get that right?
 

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Jifty::Plugin::OpenID(3pm)				User Contributed Perl Documentation				Jifty::Plugin::OpenID(3pm)

NAME
Jifty::Plugin::OpenID - Provides OpenID authentication for your jifty app DESCRIPTION
Provides OpenID authentication for your app USAGE
Config please provide "OpenIDSecret" in your etc/config.yml , the "OpenIDUA" is optional , OpenID Plugin will use LWPx::ParanoidAgent by default. --- application: OpenIDSecret: 1234 OpenIDUA: LWP::UserAgent or you can set "OpenIDUserAgent" environment var in command-line: OpenIDUserAgent=LWP::UserAgent bin/jifty server if you are using LWPx::ParanoidAgent as your openid agent. you will need to provide "JIFTY_OPENID_WHITELIST_HOST" for your own OpenID server. export JIFTY_OPENID_WHITELIST_HOST=123.123.123.123 User Model Create your user model , and let it uses Jifty::Plugin::OpenID::Mixin::Model::User to mixin "openid" column. and a "name" method. use TestApp::Record schema { column email => type is 'varchar'; }; use Jifty::Plugin::OpenID::Mixin::Model::User; sub name { my $self = shift; return $self->email; } Note: you might need to declare a "name" method. because the OpenID CreateOpenIDUser action and SkeletonApp needs current_user->username to show welcome message and success message , which calls "brief_description" method. See Jifty::Record for "brief_description" method. View OpenID plugin provides AuthenticateOpenID Action. so that you can render an AuthenticateOpenID in your template: form { my $openid = new_action( class => 'AuthenticateOpenID', moniker => 'authenticateopenid' ); render_action( $openid ); }; this action renders a form which provides openid url field. and you will need to provide a submit button in your form. form { my $openid = new_action( class => 'AuthenticateOpenID', moniker => 'authenticateopenid' ); # .... render_action( $openid ); outs_raw( Jifty->web->return( to => '/openid_verify_done', label => _("Login with OpenID"), submit => $openid )); }; the "to" field is for verified user to redirect to. so that you will need to implement a template called "/openid_verify_done": template '/openid_verify_done' => page { h1 { "Done" }; }; Attribute Exchange You can retrieve information from remote profile on authentication server with OpenID Attribute Exchange service extension. Set in your config.yml - OpenID: ax_param: openid.ns.ax=http://openid.net/srv/ax/1.0&openid.ax.mode=fetch_request&openid.ax.type.email=http://axschema.org/contact/email&openid.ax.type.firstname=http://axschema.org/namePerson/first&openid.ax.type.lastname=http://axschema.org/namePerson/last&openid.ax.required=firstname,lastname,email ax_values: value.email,value.firstname,value.lastname ax_mapping: "{ 'email': 'value.email', 'name': 'value.firstname value.lastname' }" this parameters are usuable for all OpenID endpoints supporting Attribute Exchange extension. They can be overriden in your application. Watch and/or override "openid/wayf" template from Jifty::Plugin::OpenID::View. Or you can use in your view "show('openid/wayf','/url_return_to');". ax_param is the url send to authentication server. It defines namespace, mode, attributes types and requested attributes. hints : MyOpenID use schema.openid.net schemas instead of axschema.org, Google provides lastname and firstname, Yahoo only fullname ax_values keys of attributes values read from authentication server response. ax_mapping mapping of receive values with our application fields in json format. AUTHORS
Alex Vandiver, Cornelius <cornelius.howl {at} gmail.com >, Yves Agostini LICENSE
Copyright 2005-2010 Best Practical Solutions, LLC. This program is free software and may be modified and distributed under the same terms as Perl itself. perl v5.10.1 2010-01-18 Jifty::Plugin::OpenID(3pm)
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