파일이름 관련 함수

function extractFileExt(fullPathFileName) {

var lastString = fileName.split(/(\\|\/)/g).pop();

var sameLast = lastString.lastIndexOf(".");

if (sameLast < 1) 

return "";

return lastString.substr(sameLast+1, lastString.length-sameLast-1);

}

function extractFileName(fullPathFileName) {

if (extractFileExt( fullPathFileName ) == '') 

return '';

return fileName.split(/(\\|\/)/g).pop();

}

function extractFileDir(fullPathFileName) {

var name = q5.bcl.Utility.extractFileName(fileName);

return fileName.substr(0, fileName.length - name.length);

}