var fso = new ActiveXObject('Scripting.FileSystemObject')
var ts = fso.CreateTextFile('本机可用的com组件.txt',true)
ts.Write(listcom().join('\r\n'))


function listcom(){
	//列举本机所有的 com 组件
	//主要代码修改自 http://hi.baidu.com/badguest/item/b091cc5b61b99c14db163563
	var retArr=[]
	var ws = new ActiveXObject('WScript.Shell')
	var dict = new ActiveXObject('Scripting.Dictionary')
	var oLoc=new ActiveXObject("WbemScripting.SWbemLocator")

	var HKCR=0x80000000

	var oReg=oLoc.ConnectServer(null,"root\\default").Get("StdRegProv")
	var oMethod=oReg.Methods_("EnumKey")
	var oInParam=oMethod.InParameters.SpawnInstance_()
	oInParam.hDefKey=HKCR
	oInParam.sSubKeyName=''
	var NameAndType=oReg.ExecMethod_(oMethod.Name,oInParam)
	var arrSubKeys=NameAndType.sNames.toArray()

	//~列举HKEY_CLASSES_ROOT中所有键
	for(var i=0;i<arrSubKeys.length;i++){
		var key=arrSubKeys[i]
		if(key.search(/..\./)<0)continue
		if(key.search(/..\..*\./)>0){
			/*~there's a dot. Is there another one?
			yes, so this name is version specific
			check whether we already have a
			version-independent progid! */
			independent = key.replace(/.+?$/,'')
			if (!dict.Exists(independent)){
				//~no, store it
				dict.Add(key, 0)
			}
		}else{
			/*~this one is version-independent.
			do we already have a version-dependent
			progID in store?*/
			var vdpid = ""

			for(var element in dict){
				if (element.length>key.length){
					if (element.substring(key.length)==key + "."){
						//~yes, return name
						vdpid = element
						break
					}
				}
			}

			//~any version dependent progID found?
			if (vdpid.length) {
				//~yes, replace
				dict.Remove(vdpid)
				dict.Add(key, '')
			}else{
				//~no, add to store
				dict.Add(key, '')
			}
		}
	}
	var arr = new VBArray(dict.Keys()).toArray();
	for (var i=0;i<arr.length;i++){
		retArr.push(arr[i])
	}
	return retArr
}
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$Out = create('Excel相关的组件.txt',true)
listcom().grep(/excel/i)
exit()
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listcom().grep(/Tencent|QQ|TX/)
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listcom().grep(/Sogou/)
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