View source for AmigaOS Manual: Limits

The current ARexx implementation has the following limits:
* '''Length of Strings.''' Strings, symbol names, and value strings are limited to a maximum length of 65,535 bytes.
* '''Length of Clauses.''' Clauses are limited to a maximum of 800 characters after removing comments and multiple blanks.
* '''Nodes in Compound Names.''' Compound symbol names may include a maximum of 50 nodes, including the stem.
* '''Arguments to Functions.''' Built-In and external functions are limited to a maximum of 15 arguments. There is no limit to the number of arguments that may be passed to an internal function.
* '''Subexpression Nesting.''' The maximum nesting level for subexpressions is 32.