Description
Use this command to determine if a file was opened in Read mode, i.e. for reading data from. Files that are opened in read mode cannot be written to, and vice-versa.
Functional area
Disk I/O
Command syntax
Syntax
isFileReadable fileID |
Arguments
Name | Type | Required | Comments |
---|---|---|---|
fileID | int | ID of file previously opened with fileOpen |
Flags
None
Return value
boolean
Examples
int $fileID;
// Obtain file ID earlier do some operation to the file
// ...
// See if the file was opened in "Read Mode"
if( `isFileReadable $fileID` == true )
print "Can read from the file"; else print "Cannot read from the file";