plsfile: Set output file handle

Sets the current output file handle, if applicable. If the file has has not been previously opened and is required by the driver, the user will be prompted for the file name. This routine, if used, must be called before initializing PLplot.

file (FILE *, input) File pointer. The type (i.e. text or binary) doesn't matter on *ix systems. On systems where it might matter it should match the type of file that the output driver would produce, i.e. text for the postscript driver.

This function is currently available in C, C++ and Ocaml.

This function is not used in any examples.