Miscellaneous Opcodes

Here is a list of opcodes that don't fall in any category:

• directory - Reads a directory and outputs to a string array a list of file names.
• nchnls_hw - Returns the number of audio channels in the underlying hardware.
• pwd - Asks the underlying operating system for the current directory name as a string.
• select - Select sample value based on audio-rate comparisons.
• system - Call an external program via the system call.
• modmatrix - Modulation matrix opcode with optimizations for sparse matrices.
• readscratch - Returns a value stored in the instance of an instrument.
• writescratch - Writes a value into the scratchpad of the instance of an instrument.