External file command error codes

Error Code Error Text
1 Too few parameters passed on the command line
12 Out of memory error
998 Undefined error
999 No operation on this platform
-30 Unable to delete directory or file
-36 Disk IO error (or error during operation)
-39 End of file reached during Read file as character or Read file as binary
-43 File not found
-48 File or directory already exists
-51 Bad file reference number
-59 Problem during rename