# Variables.

    Variables definition:

     Most of the text files support usage of variables. These variables enable
    text or values to be placed, depending upon the context or the channels in
    use.

     These variables are defined with the $ sign, followed by a letter. The
    meaning will be different if the letter is in capital or in lower case. A
    second set of variables is defined with the % sign, followed by a letter.

     They can also be followed by a figure and in this case, this is a parameter
    whose value is function of the context. These particular variables are used
    in texts, usually as computation results. Do not use them in other places
    than text files (*.TXT).

     The $ sign will have to be written $$, if it is not to be considered as a
    variable. The % sign will have to be written %%.

    List of the variables:

     $0 - $9 : Temporary variables.
     $A : @ BBS of the message header.
     $a : Year of the current date.
     $B : Inserts a Ctrl-G (Bell).
     $b : Zip code of the user.
     $C : Number of the next message.
     $c : City where the BBS is located.
     $D : Current date (Format : YYMMDD).
     $d : Current date (Format : DD-Dec).
     $E : Version number.
     $e : City of the connected user.
     $F : Minute of the hour for forwarding.
     $f : File appended to the message header.
     $G : Destination of the message header.
     $g : Number of gateway ports available.
     $H : Current time (Format : HH:MM).
     $h : Home BBS of the user.
     $I : First name of the connected user.
     $i : Date and time of the message header (Format MMDD/HHMM).
     $J : Date of the message header (Format YYMMDD).
     $j : Date of the message header (Format 29-Dec).
     $K : Time of the message header (Format : HH:MM).
     $k : List of the users involved in the conference.
     $L : Number of the last used message.
     $l : Filter value of LC command.
     $M : Number of the message header.
     $m : Frequency of the port in use.
     $N : Number of active messages.
     $n : Size of the message header.
     $O : BBS callsign.
     $o : SSID of the BBS.
     $P : Origin of the message header.
     $p : Number of lines of scroll page option, for the connected user
     $Q : List of the 8 callsigns which have new messages.
     $q : Base messages number of the user.
     $R : BID of the message header.
     $r : L or space character. L means that the message was locally created.
     $S : Subject of the message header.
     $s : Status of the message header.
     $T : Time of message header (Format : HH:MM).
     $t : Type of message header.
     $U : Callsign of the connected user.
     $u : Current drive in FBBDOS.
     $V : SysOp first name.
     $v : Complete route (with the hierarchical structure).
     $W : Inserts a carriage return.
     $w : Inserts an escape character.
     $X : Date of the last connection (Format : 881229).
     $x : Date of the last connection (Format : 29-Dec).
     $Y : Time of the last connection (Format : 12:30).
     $y : Year of message.
     $Z : Last message read by the user (L command).
     $z : Zip Code of the BBS.

     $* : Number of active channels.
     $= : User's current channel.
     $! : User's current port.
     $^ : Number of allowed ports.
     $? : BBS QTH-Locator.
     $% : List of the connected users.
     $: : Connection duration (Format : 12mn 05s).
     $. : Machine operation time (Format : 12mn 05s).
     $$ : Character $

     Second set of variables :
    (unformatted means that text is not padded with spaces) :

     %A : @ BBS of the message header, unformatted.
     %C : Gives the number of times a message has been read.
     %d : Nb of KB downloaded to the user.
     %E : Give the version code (Linux, Dos, Windows).
     %G : Destination of the message header, unformatted.
     %i : Date and time of the message creation (Format MMDD/HHMM).
     %J : Date of the message creation (format YYMMDD).
     %j : Date of the message creation (format 29-Dec).
     %K : Time of the message creation (format HH:MM).
     %M : Number of the message, unformatted.
     %m : Maximum KB of download allowed on the port.
     %N : Gives the message number limited to the right 5 digits and
          modulo 65536. To be changed in the header definition of INIT.SRV.
     %n : Size of the message header, unformatted.
     %O : Callsign of sysop.
     %P : Origin of the message header, unformatted.
     %R : Callsign with full path (e.g. F6FBB.FMLR.FRA.EU).
     %r : = D if the message holds data (7+) else is space.
     %T : Name of the current theme.
     %t : Number of bulletins in the current theme.
     %X : Number of messages for the user.
     %x : Number of new messages for the user.

     %y : Year of the message creation.
     %% : Character %

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