NAME

       rivescript - A command line frontend to the Perl RiveScript interpreter.

SYNOPSIS

         $ rivescript [options] [path to RiveScript documents]

DESCRIPTION

       This is a command line front-end to the RiveScript interpreter. This script obsoletes the old "rsdemo",
       and can also be used non-interactively by third party programs. To that end, it supports a variety of
       input/output and session handling methods.

       If no RiveScript document path is given, it will default to the example brain that ships with the
       RiveScript module, which is based on the Eliza bot.

OPTIONS

       --debug, -d
           Enables debug mode. This will print all debug data from RiveScript to your terminal. If you'd like it
           to log to a file instead, use the "--log" option instead of "--debug".

       --log FILE
           Enables debug mode and prints the debug output to "FILE" instead of to your terminal.

       --json, -j
           Runs "rivescript" in JSON mode, for running the script in a non-interactive way (for example, to use
           RiveScript in a programming language that doesn't have a native RiveScript library). See "JSON Mode"
           for details.

       --data JSON_DATA
           When using the "--json" option, you can provide the JSON input message as a command line argument
           with the "--data" option. If not provided, then the JSON data will be read from standard input
           instead. This option is helpful, therefore, if you don't want to open a two-way pipe, but rather pass
           the message as a command line argument and just read the response from standard output.  See "JSON
           Mode" for more details.

       --listen, -l [ADDRESS:]PORT
           Runs "rivescript" in TCP mode, for running the script as a server daemon.  If an address isn't
           specified, it will bind to "localhost". See "TCP Mode" for details.

       --strict, --nostrict
           Enables strict mode for the RiveScript parser. It's enabled by default, use "--nostrict" to disable
           it. Strict mode prevents the parser from continuing when it finds a syntax error in the RiveScript
           documents.

       --depth=50
           Override the default recursion depth limit. This controls how many times RiveScript will recursively
           follow redirects to other replies. The default is 50.

       --utf8, -u
           Use the UTF-8 option in RiveScript. This allows triggers to contain foreign characters and relaxes
           the filtering of user messages. This is not enabled by default!

       --help
           Displays this documentation in your terminal.

USAGE

   Interactive Mode
       This is the default mode used when you run "rivescript" without specifying another mode. This mode
       behaves similarly to the old "rsdemo" script and lets you chat one-on-one with your RiveScript bot.

       This mode can be used to test your RiveScript bot. Example:

         $ rivescript /path/to/rs/files

   JSON Mode
       This mode should be used when calling from a third party program. In this mode, data that enters and
       leaves the script are encoded in JSON.

       Example:

         $ rivescript --json /path/to/rs/files

       The format for incoming JSON data is as follows:

         {
           "username": "localuser",
           "message":  "Hello bot!",
           "vars": {
             "name": "Aiden"
           }
         }

       Here, "username" is a unique name for the user, "message" is their message to the bot, and "vars" is a
       hash of any user variables your program might be keeping track of (such as the user's name and age).

       The response from "rivescript" will look like the following:

         {
           "status": "ok",
           "reply":  "Hello, human!",
           "vars": {
             "name": "Aiden"
           }
         }

       Here, "status" will be "ok" or "error", "reply" is the bot's response to your message, and "vars" is a
       hash of the current variables for the user (so that your program can save them somewhere).

       Standard Input or Data

       By default, JSON mode will read from standard input to receive your JSON message. As an alternative to
       this, you can provide the "--data" option to "rivescript" to present the incoming JSON data as a command
       line argument.

       This may be helpful if you don't want to open a two-way pipe to "rivescript", and would rather pass your
       input as a command line argument and simply read the response from standard output.

       Example:

         $ rivescript --json --data '{"username": "localuser", "message": "hello" }' \
           /path/to/rs/files

       This will cause "rivescript" to print its JSON response to standard output and exit. You can't have a
       stateful session using this method.

       End of Message

       There are two ways you can use the JSON mode: "fire and forget," or keep a stateful session open.

       In "fire and forget," you open the program, print your JSON input and send the EOF signal, and then
       "rivescript" sends you the JSON response and exits.

       In a stateful session mode, you must send the text "__END__" on a line by itself after you finish sending
       your JSON data. Then "rivescript" will process it, return its JSON response and then also say "__END__"
       at the end.

       Example:

         {
           "username": "localuser",
           "message": "Hello bot!",
           "vars": {}
         }
         __END__

       And the response:

         {
           "status": "ok",
           "reply": "Hello, human!",
           "vars": {}
         }
         __END__

       This way you can reuse the same pipe to send and receive multiple messages.

   TCP Mode
       TCP Mode will make "rivescript" listen on a TCP socket for incoming connections. This way you can connect
       to it from a different program (for example, a CGI script or a program written in a different language).

       Example:

         $ rivescript --listen localhost:2001

       TCP Mode behaves similarly to "JSON Mode"; the biggest difference is that it will read and write using a
       TCP socket instead of standard input and output. Unlike JSON Mode, however, TCP Mode always runs in a
       stateful way (the JSON messages must end with the text ""__END__"" on a line by itself). See "End of
       Message".

       If the "__END__" line isn't found after 20 lines of text are read from the client, it will give up and
       send the client an error message (encoded in JSON) and disconnect it.

SEE ALSO

       RiveScript, the Perl RiveScript interpreter.

AUTHOR

       Noah Petherbridge, http://www.kirsle.net

LICENSE

         RiveScript - Rendering Intelligence Very Easily
         Copyright (C) 2012 Noah Petherbridge

         This program is free software; you can redistribute it and/or modify
         it under the terms of the GNU General Public License as published by
         the Free Software Foundation; either version 2 of the License, or
         (at your option) any later version.

         This program is distributed in the hope that it will be useful,
         but WITHOUT ANY WARRANTY; without even the implied warranty of
         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
         GNU General Public License for more details.

         You should have received a copy of the GNU General Public License
         along with this program; if not, write to the Free Software
         Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA