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The LISTFILES command lists all the open files that can be referenced by the FILEQUERY function. This includes all files opened by FILEOPEN, OUTFILE, and LOG command.
Example 10-32 Listing Open Files
The following example shows how to use LISTFILES to see which open files can be referenced by the FILEQUERY function.
DEFINE fil.unit VARIABLE INTEGER
fil.unit = FILEOPEN('report' WRITE)
These statements produce the following output.
10 w D:\WINNT35\SYSTEM32\report