=head1 NAME

hpifan - An openhpi sample application that shows "Fan Control" management instruments

=head1 SYNOPSIS 

 hpifan [-D nn] [-N host[:port]] [-C <cfgfile>] [-h] [-s auto|nn] [-X]
 hpifan [--domain=nn] [--host=host[:port]] [--cfgfile=file] [--help] [--speed=auto|nn] [--debug]

=head1 DESCRIPTION

hpifan walks the RPT (Resource Present Table) for resouces that have 
"Fan Control" management instruments (SAHPI_CTRL_FAN_SPEED).

If no domain or host is selected, hpifan uses the default domain as specified in the openhpiclient.conf file.

=head1 OPTIONS

=head2 Help Options:

=over 2

=item B<-h>, B<--help>

Show help options

=back

=head2 Application Options:

=over 2

=item B<-s>, B<--speed>=I<auto|nn>

Set fan speed for ALL fans in domain speed is a number
or "auto" for setting fan in auto mode

=item B<-D> I<nn>, B<--domain>=I<nn>

Select domain id I<nn>

=item B<-X>, B<--debug>

Display debug messages

=item B<-N> I<"host[:port]">, B<--host>=I<"host[:port]">

Open session to the domain served by the daemon at the specified URL (host:port).
This option overrides the OPENHPI_DAEMON_HOST and OPENHPI_DAEMON_PORT environment variables.
If host contains ':' (for example IPv6 address) then enclose it in square brackets.
For example: I<"[::1]"> or I<"[::1]:4743">.

=item B<-C> I<"file">, B<--cfgfile>=I<"file">

Use passed file as client configuration file.
This option overrides the OPENHPICLIENT_CONF environment variable.

=back

=head1 SEE ALSO

         hpi_shell
         hpialarms      hpigensimdata  hpireset       hpitop
         hpidomain      hpiinv         hpisensor      hpitree
         hpiel          hpionIBMblade  hpisettime     hpiwdt
         hpievents      hpipower       hpithres       hpixml
         ohdomainlist   ohhandler      ohparam

 
=head1 AUTHORS

Authors of this man page:

 Peter D Phan (pdphan@users.sourceforge.net)
 Ulrich Kleber (ulikleber@users.sourceforge.net)
 Anton Pak (avpak@users.sourceforge.net)