Print a list of which files have been opened, and whether they are open for reading, writing, or both.
For example:
freport ()
-| number mode arch name
-| ------ ---- ---- ----
-| 0 r ieee-le stdin
-| 1 w ieee-le stdout
-| 2 w ieee-le stderr
-| 3 r ieee-le myfile
See also: fopen, fclose, is_valid_file_id.
Package: octave