| .OPEN (File I/O) Statement QuickSCREENi |
|
 QuickSCREEN Details Example Contents Index |
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| OPEN - a file I/O statement that enables I/O to a file or device |
| Syntax |
| OPEN file [FOR mode] [ACCESS access] [lock] AS [#]filenum [LEN=reclen] |
| ž file is a string expression that specifies an optional device name, |
| followed by a file name or path name |
| ž mode is one of the following keywords: |
|
| RANDOM Read or write from a random- ³ INPUT Read only from sequential file |
| access file (the default) ³ OUTPUT Write to a sequential file |
| BINARY Read or write from a binary ³ APPEND Write to the end of a |
| file ³ sequential file |
|
| ž access and lock are Details used only in a networking environment |
| ž filenum is an integer expression whose value is between 1 and 255 |
| ž reclen defaults to 128 for random-access files, to 512 for sequential |
| files, and is not needed at all for binary files |
| See Also FREEFILE |
| Other Uses of the OPEN Keyword |
| OPEN mode,[#]filenum,file[,reclen] - an alternate syntax (see Details) |
| OPEN COM - to open a communications channel |
