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.\" ========================================================================
.\"
.IX Title "Net::LDAP::Control::Sort 3"
.TH Net::LDAP::Control::Sort 3 "2015-04-02" "perl v5.12.5" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.nh
.SH "NAME"
Net::LDAP::Control::Sort \- Server Side Sort (SSS) control object
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 2
\& use Net::LDAP::Control::Sort;
\& use Net::LDAP::Constant qw(LDAP_CONTROL_SORTRESULT);
\&
\& $sort = Net::LDAP::Control::Sort\->new(
\&   order => "cn \-phone"
\& );
\&
\& $mesg = $ldap\->search( @args, control => [ $sort ]);
\&
\& ($resp) = $mesg\->control( LDAP_CONTROL_SORTRESULT );
\&
\& print "Results are sorted\en"  if $resp and !$resp\->result;
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\f(CW\*(C`Net::LDAP::Control::Sort\*(C'\fR is a sub-class of
Net::LDAP::Control.  It provides a class
for manipulating the \s-1LDAP\s0 Server Side Sort (\s-1SSS\s0) request control
\&\f(CW1.2.840.113556.1.4.473\fR as defined in \s-1RFC\-2891\s0
.PP
If the server supports sorting, then the response from a search
operation will include a sort result control. This control is handled
by Net::LDAP::Control::SortResult.
.SH "CONSTRUCTOR ARGUMENTS"
.IX Header "CONSTRUCTOR ARGUMENTS"
.IP "order" 4
.IX Item "order"
A string which defines how entries may be sorted. It consists of
multiple directives, separated by whitespace. Each directive describes how
to sort entries using a single attribute. If two entries have identical
attributes, then the next directive in the list is used.
.Sp
Each directive specifies a sorting order as follows
.Sp
.Vb 1
\&  \-attributeType:orderingRule
.Ve
.Sp
The leading \f(CW\*(C`\-\*(C'\fR is optional, and if present indicates that the sorting order should
be reversed. \f(CW\*(C`attributeType\*(C'\fR is the attribute name to sort by. \f(CW\*(C`orderingRule\*(C'\fR is optional and
indicates the rule to use for the sort and should be valid for the given \f(CW\*(C`attributeType\*(C'\fR.
.Sp
Any one attributeType should only appear once in the sorting list.
.Sp
\&\fBExamples\fR
.Sp
.Vb 4
\&  "cn"         sort by cn using the default ordering rule for the cn attribute
\&  "\-cn"        sort by cn using the reverse of the default ordering rule
\&  "age cn"     sort by age first, then by cn using the default ordering rules
\&  "cn:1.2.3.4" sort by cn using the ordering rule defined as 1.2.3.4
.Ve
.SH "METHODS"
.IX Header "METHODS"
As with Net::LDAP::Control each constructor argument
described above is also available as a method on the object which will
return the current value for the attribute if called without an argument,
and set a new value for the attribute if called with an argument.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
Net::LDAP,
Net::LDAP::Control::SortResult,
Net::LDAP::Control,
http://www.ietf.org/rfc/rfc2891.txt
.SH "AUTHOR"
.IX Header "AUTHOR"
Graham Barr <gbarr@pobox.com>
.PP
Please report any bugs, or post any suggestions, to the perl-ldap mailing list
<perl\-ldap@perl.org>
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright (c) 1999\-2004 Graham Barr. All rights reserved. This program is
free software; you can redistribute it and/or modify it under the same
terms as Perl itself.