3.2.3 CLOSE

T.CLOSE(fdesc) ! Fdesc => Num

Close the file descriptor 'fdesc'. To obtain a valid file descriptor, use T.OPEN.

T.CLOSE returns 0 on success and a negative value in case of an error.

See also: OPEN, READ, WRITE, SYSTEM.DUP, SYSTEM.DUP2, SYSTEM.PIPE