CouchDB JSON to CSV view converter use ?include_docs=true&reduce=false

couchdb csv list

{	
	"csv":"function(head, req){
		start({
		'headers': {
		  'Content-Type': 'text/csv'

		 }
		});
		Array.prototype.unique = function() {
		    var a = this.concat();
		    for(var i=0; i<a.length; ++i) {
		        for(var j=i+1; j<a.length; ++j) {
		            if(a[i] === a[j])
		                a.splice(j, 1);
		        }
		    }

		    return a;
		};
		var getheaders = function (name,value,parent) {
                var ret = \"\";
                if (typeof(value) == \"object\") {
                    for (var x in value){
                        var family = name;
                        if (parent!=\"\") family = parent+\".\"+name;
                        ret = ret + getheaders(x,value[x],family);
                    }
                } else {
                    if (!isNaN(name)){
                        ret = ret + parent+\"[\"+name+\"],\";
                    }else{
                        if (parent!=\"\"){
                            ret = ret + parent+\".\"+name+\",\";
                        }else{
                             ret = ret + name+\",\";
                        }
                    }
                }
                return ret;
            };
		var tocsv = function(therow,heads){
				ret = '';
				for (var h in heads){
					prop = heads[h].toString().replace(/\\[/gi,\"'][\");
					prop = \"['\"+prop.replace(/\\./gi,\"']['\");
					if (prop.charAt(prop.length-1)!=']') prop = prop+\"']\";
					cmd = 'therow'+prop;
					try{
						valor = eval(cmd);
						valor = valor.toString().replace(/,/gi,' ');
						valor = valor.toString().replace(/(\\r\\n|\\n|\\r)/gm,'');
					}
					catch(er){
						valor = '';
					}
					ret = ret + valor + ',';
				}
				return ret;
			};
		var row; var rows=[];
		var headers=[];
		var muestra = 100;
		var cnt = 1;
		var yasalio = false;
		while(row = getRow()){
			if (cnt < muestra){
				header = getheaders(\"\",row,\"\");
				header = (header.charAt(header.length-1)==',')?header.slice(0, -1):header;
				header = header.split(',');
				headers = headers.concat(header).unique();
				rows.push(row);
			}else{
				if (cnt==muestra){
					send(headers.join()+\"\\n\");
					for (var x in rows){
						send(tocsv(rows[x],headers) +\"\\n\");
					}
				}
				send(tocsv(row,headers) +\"\\n\");
				yasalio = true;
			}
			cnt = cnt + 1;
		}
		if (!yasalio){
			send(headers.join()+\"\\n\");
			for (var x in rows){
				send(tocsv(rows[x],headers) +\"\\n\");
			}
		}
		return \"\";
	}"
}

Working fine with me, Thanks