FREE_LUN Procedure
Deallocates file units previously allocated with GET_LUN.
Usage
FREE_LUN, unit1, ..., unitn
Input Parameters
uniti—The file units (logical unit numbers) to deallocate.
Keywords
None.
Discussion
If the specified file units are open, they are closed prior to the deallocation process.
Example
; Open test.dat file for reading and allocate a logical unit number.
OPENR, log_unit, !Data_dir + 'mandril.img', /Get_lun
; Read the file.
mandril_img = BYTARR(512, 512)
READU, log_unit, mandril_img
; Closes the file and frees the logical unit.
FREE_LUN, log_unit
See Also
For background information, see the section Logical Unit Numbers (LUNs) in the PV‑WAVE Programmer’s Guide.
Version 2017.0
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