| Name | Procedure Type | Description |
|---|---|---|
| DELFILESQQ | Run-time Function | DELFILESQQ(files). Deletes the specified files in a specified directory. |
| FINDFILEQQ | Run-time Function | FINDFILEQQ(filename, varname, pathbuf). Searches for a file in the directories specified in the PATH environment variable. |
| FULLPATHQQ | Run-time Function | FULLPATHQQ(name, pathbuf). Returns the full path for a specified file or directory. |
| GETDRIVEDIRQQ | Run-time Function | GETDRIVEDIRQQ(drivedir). Returns current drive and directory path. |
| GETFILEINFOQQ | Run-time Function | GETFILEINFOQQ(files, buffer, handle). Returns information about files with names that match a request string. |
| PACKTIMEQQ | Run-time Subroutine | PACKTIMEQQ(timedate, iyr, imon, iday, ihr, imin, isec). Packs time values for use by SETFILETIMEQQ. |
| RENAMEFILEQQ | Run-time Function | RENAMEFILEQQ(oldname, newname). Renames a file. |
| SETFILEACCESSQQ | Run-time Function | SETFILEACCESSQQ(filename, access). Sets file-access mode for the specified file. |
| SETFILETIMEQQ | Run-time Function | SETFILETIMEQQ(filename, timedate). Sets modification time for a given file. |
| SPLITPATHQQ | Run-time Function | SPLITPATHQQ(path, drive, dir, name, ext). Breaks a full path into four components. |
| TRACEBACKQQ | Run-time Subroutine | TRACEBACKQQ(string, user_exit_code, status, expr). Generates a stack trace. |
| UNPACKTIMEQQ | Run-time Subroutine | UNPACKTIMEQQ(timedate, iyr, imon, iday, ihr, imin, isec). Unpacks a file's packed time and date value into its component parts. |