file-writable?

[procedure] file-readable? pathname

[procedure] file-writable? pathname

[procedure] file-executable? pathname

Scsh: file accessibility query.

These functions are called file-is-readable?, file-is-writable?, file-is-executable?, or file-read-access?, file-write-access?, file-execute-access? in some implementations.

Some implementations also have POSIX access() interface; see sys-access.