Question : How do you handle nulls in CFScript

I simply want to handle the case where this thing reaches the end of the file. what is the true condition that must be out in the while loop because the following have not worked:
1) isDefined(inputLine)
2) inputLine neq ""
3) not isNull(inputLine)

so please help me with whatever information you can.
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f = createObject('java','java.io.File').init(arguments.currentFilePath);
				fr = createObject('java','java.io.FileReader').init(f);
				br = createObject('java','java.io.BufferedReader').init(fr);
   				inputLine = br.readLine();
   				lineCount = 0;
   				while ( isDefined(inputLine) ) {
     					processLine(inputLine, getFileID());
     					lineCount = lineCount + 1;
     					inputLine = br.readLine();
   				}
				br.close();
				fr.close();
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Answer : How do you handle nulls in CFScript

See if this helps:
http://www.houseoffusion.com/groups/cf-talk/thread.cfm/threadid:56826
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