patrix is a simple command line client for Matrix written in perl. It can send text messages to rooms. I use it to send Zabbix alerts to a Matrix room, a bit like sendxmpp can do with XMPP.

It requires the following perl modules

• LWP::UserAgent
• HTTP::Request
• Config::Simple
• File::HomeDir
• File::Basename
• File::MimeInfo
• Path::Tiny
• Getopt::Long
• JSON

For now it's very limited, and can only send text messages and files to a room. Here're the vailable options:

• --user: specify the user you want to login as
• --password: the password to auth against the HS
• --server: the HS you want to connect to. Default is https://matrix.org
• --access_token: can be used instead of --user and --password
• --room: the room to which the message must be sent
• --message: the text message you want to send. If you send something on stdin, it's assumed to be the text to send and this option is ignored
• --debug: if present, will be verbose
• --notice: send a notice instead of a message (more or less the same but the client can display it differently. Riot for example will not notify you for notices)
• --conf: path to a conf file. Default conf file is ~/.patrixrc
• --file: if action is send-file, specify the path of the file to send
• --action: what to do. Valid actions are
  • send-msg (default): send the text message
  • send-file: send a binary file. --file must be set
  • get-access-token: just login and print the access token
  • get-room-list: prints the list of public rooms of this server

All the available options can be set a the configuration file using a simple ini style format, eg

user=alert
password=p@ssw0rd
room=!BWdARvAgNQGgSjgtAG:matrix.domain.com

Options given on the command line take precedence over the config file