File Library

The (scheme file) library provides procedures for accessing files.

For more information see the R⁷RS Scheme Specification.

• call-with-input-file
• call-with-output-file
• with-input-from-file
• with-output-to-file

call-with-input-file

(call-with-input-file string proc)

Open given filename for input, pass the resulting port to proc, and close the port after proc returns.

call-with-output-file

(call-with-output-file string proc)

Open given filename for output, pass the resulting port to proc, and close the port after proc returns.

with-input-from-file

(with-input-from-file string thunk)

Open given filename for input and change the current input to that port for the duration of thunk.

with-output-to-file

(with-output-to-file string thunk)

Open given filename for output and change the current output to that port for the duration of thunk.