diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..dbf0821
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+node_modules/*
\ No newline at end of file
diff --git a/package.json b/package.json
index 69eb2be..c57d88f 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,8 @@
 		"start": "node tweetstorss.js"
 			},
 	"dependencies" : {
-		"node-twitter-api": "*"
+		"node-twitter-api": "*",
+		"nconf": "*"
 		}, 
 	"license": "MIT",
 	"engines": {
diff --git a/tweetstorss.js b/tweetstorss.js
index 391202b..41ea902 100644
--- a/tweetstorss.js
+++ b/tweetstorss.js
@@ -25,12 +25,20 @@ var myVersion = "0.45", myProductName = "tweetsToRss", myProductUrl = "https://g
 var fs = require ("fs");
 var twitterAPI = require ("node-twitter-api");
 
-var twitterConsumerKey = process.env.twitterConsumerKey;
-var twitterConsumerSecret = process.env.twitterConsumerSecret;
-var accessToken = process.env.twitterAccessToken;
-var accessTokenSecret = process.env.twitterAccessTokenSecret;
-var twitterScreenName = process.env.twitterScreenName;
-var pathRssFile = process.env.pathRssFile;
+// Use nconf to be able to read settings command-line if required
+var nconf = require('nconf');
+nconf.argv().env();
+
+// Fetch data every minute by default, but you can turn this off and fetch the data just once (e.g. via a cron script) by setting --runEveryMinute false on the command line
+nconf.defaults({'runEveryMinute': true});
+
+var twitterConsumerKey = nconf.get('twitterConsumerKey');
+var twitterConsumerSecret = nconf.get('twitterConsumerSecret');
+var accessToken = nconf.get('accessToken');
+var accessTokenSecret = nconf.get('accessTokenSecret');
+var twitterScreenName = nconf.get('twitterScreenName');
+var pathRssFile = nconf.get('pathRssFile');
+var runEveryMinute = nconf.get('runEveryMinute');
 
 var defaultRssFilePath = "rss.xml";
 var flSkipReplies = true;
@@ -501,7 +509,10 @@ function startup () {
 			}
 	
 	everyMinute (); //call once at startup, then every minute
-	setInterval (everyMinute, 60000); 
+	
+	if (runEveryMinute === true) {
+		setInterval (everyMinute, 60000); 
 	}
+}
 startup ();