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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

NameTypeRequiredComments
fileIDint
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";

Additional information

Related commands