The pl command line arguments may be given in any order. Do not include the trailing .pl extension. Alternatively, -stdin may be used to indicate that script will be available on standard input. Declares the named variable and sets it to the given value . This is a convenient way to pass information to prefabs and scripts.
Variable names are case-sensitive.
No processing is applied to this name. If -o stdout is used, result will be sent to standard output. If -o is not specified, a default output filename will be used. Scale the final result. If one value is given, the result is scaled by this amount in both x and y.