fileOpen
|
|
fileOpen
|
The fileOpen function attempts to create or open a file with the specified
filename {filename} and type {type} indicated. If no filename is
specified, the host will allow the user to select the file. Usage The fileOpen function opens an existing file or creates a new file
and opens it.
(fileOpen filename mode type) An Integer file identifier, fileID, is returned.
Expression:
Arguments
Name
Type
Description Argument: filename Text String
Optional argument. The name of the file to be opened. This name may include a
full path specification. Note: On some host systems, if the file name is #void
or missing, a user dialog box appears allowing the user to choose the file. Argument: mode Integer
The mode switch. A value of: (0) requests that only an existing file be opened; (1) indicates that a new file will be created.
If a file already exists with this name, it will be destroyed and a new virgin file will
be created; (2) valid for database files only, indicates that an existing database
file be opened for read only transactions shared with other users. Argument: type Integer
The file type switch. (0) requests that a text file be opened; (1) requests that a
Spreadsheet binary file be opened;(2) requests that a Smarttable binary file
be opened; (3) requests that a Workspace binary file be opened; (4) requests that an
Object binary file be opened; (5) requests that an Object Database file be opened.
Returns:
Here are a number of links to Lambda coding examples which contain this instruction in various use cases.
Here are the links to the data types of the function arguments.
| ByteVector | Text | Integer | Boolean |
Here are also a number of links to functions having arguments with any of these data types.
|
|
Analytic Information Server (AIS)AIS Component Systems
|