isCelFile: Checks if a file is a CEL file or not
Description
Checks if a file is a CEL file or not.
Usage
isCelFile(filename, ...)
Value
Returns TRUE
if a CEL file, otherwise FALSE
.
ASCII (v3), binary (v4;XDA), and binary (CCG v1;Calvin) CEL files
are recognized.
If file does not exist, an exception is thrown.