fileRead
Syntax | fileRead(fid, len) | Package | file |
Alias | Pkg Usage | read(fid, len) |
Description
Reads a byte array from a file until it reaches the specified length or until the EOF is reached.
Parameters
Parameter name | Type | Required | Description |
|---|---|---|---|
fid | String | Yes | The id of the open file to read from. |
len | Integer | Yes | The number of bytes that should be read. |
Return Type
Byte []
Error Handling
Throws String
Errors:
"eof": if you read past the end of the file
"read_error": followed by the actual error if read fails
Example
Example 1
use "file";
int fid = open("C:\myData.dat");
runnerLog(read(fid, 10));
close(fid);Returns: 61|54|32|85|45|33|21|11|40|06 (a byte array)