Arc: I/O

I/O Arc has a large variety of I/O operations that support file, string, and network I/O. Because Arc's I/O system is based on MzScheme, the MzScheme I/O documentation provides useful background. Arc's I/O system is built in layers. The foundation provides basic operations. On top of this, more functional operations are constructed. The w/ (with/) series of operations are generally the most conven