EsoAPI

EsoAPI is an API to extend the functionality of esoteric programming languages with services like disk I/O, by using special escape output sequences. It currently supports brainfuck.

EsoAPI may be superseded by PESOIX.

Implementations
weave.rb is an interpreter for several brainfuck variants and supports EsoAPI with the -E flag.

External resources

 * EsoAPI 1.0 Specification