$definevariable

$definevariable is a QC command available in all Source games. It creates a  variable. The variable's name, if surrounded by $, will be substituted by its value whenever encountered.

Note:Variables do not work within "quote blocks"!

Note:Variables declared out of the scope of a macro can't be used within the macro. You can pass the data on to the macro by instead using it as a token of the macro and retrieving it that way.

Note:If you define the same variable twice, the compiler will use the first one it finds and drop the second one.

Bug:Similar token prefixes causes the compiler parser to merge, swap, or even ignore some variable values. This doesn't happen with Source Filmmaker and Garry's Mod  [todo tested in ?]

Bug:Tokens cannot be pushed further than 3 $include levels  [todo tested in ?]

This command is a lighter version of $definemacro.

Example

$definevariable baseFile "fighter1"

$sequence attack $baseFile$_Attack // results in -> fighter1_Attack when resolved
$sequence run    $baseFile$_Run    // results in -> fighter1_Run    when resolved
$sequence idle   $baseFile$_Idle   // results in -> fighter1_Idle   when resolved

Here's an example of passing the variable to a macro. We pass $basefile$ to the macro to replace instances of $fightername$

$definevariable baseFile "fighter1"

$definemacro makefighteranim fightername framerate \\
$sequence attack $fightername$_Attack fps $framerate$ \\
$sequence run    $fightername$_Run    fps $framerate$ \\
$sequence idle   $fightername$_Idle   fps $framerate$ \\

$makefighteranim $baseFile$ 30 // Here we give "fighter1" from $basefile$ to the macro to be used for $fightername$ token