NAME

anyevent-mqtt-sub - Perl script for subscribing to an MQTT topic

VERSION

version 1.172121

SYNOPSIS

  anyevent-mqtt-sub [options] topic1 [topic2] [topic3] ...

DESCRIPTION

This script subscribes to one or more MQTT topics and prints any messages that it receives to stdout.

OPTIONS

-help

Print a brief help message.

-man

Print the manual page.

-host A.B.C.D

The host running the MQTT service. The default is 127.0.0.1.

-port NNNNN

The port of the running MQTT service. The default is 1883.

-qos N

The QoS level for the published message. The default is 0 (MQTT_QOS_AT_MOST_ONCE).

-verbose

Include more verbose output.

-keepalive NNN

The keep alive timer value. Defaults to 120 seconds. For simplicity, it is also currently used as the connection/subscription timeout.

--history-size NNN

Number of messages to keep for each topic. Defaults to keeping 20 messages.

--no-retain

Ignore retained messages. That is, wait for new messages rather than processing existing retained messages.

SEE ALSO

AnyEvent::MQTT(3)

AUTHOR

Mark Hindess <soft-cpan@temporalanomaly.com>

COPYRIGHT AND LICENSE

This software is copyright (c) 2014 by Mark Hindess.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.