static Function BeforeFileOpenHook(Variable refNum, String fileNameStr, String pathNameStr, String fileTypeStr, String fileCreatorStr, Variable fileKind)
	if (StringMatch(fileNameStr,"*.itx"))
		PathInfo $pathNameStr
		LoadITXwithHeader(S_path+fileNameStr)
		return 1
	endif
	return 0
End

// -------------------

Function LoadITXwithHeader(String filePath)	// loads itx with header info
	int i, refNum = 0
	Open /R refNum as filePath		// Open the file for reading
	if (refNum == 0)
		return -1							// Error opening file
	endif
	
	String currLine = "", comment = ""
	FReadLine refNum, currLine				// "IGOR" line
	do
		FReadLine refNum, currLine			// keep reading lines
		if (!StringMatch(currLine,"X //*"))
			break
		endif
		comment += ReplaceString("X //",currLine,"")
	while(1)
	Close refNum
	
	LoadWave/O/T/Q filePath						// load the actual waves
	String wList = S_waveNames
	
	for (i=0; i<ItemsInList(wList); i++)	// assign notes to all loaded waves
		Wave w = $StringFromList(i, wList)
		Note w, comment
	endfor	
	return 0
End