Add ability to accept stdin from URI

README.md

@@ -34,6 +34,8 @@ Usage: ./bin/rss-cli [-u FEED_URI] [CHANNEL FLAGS] [-i ITEM_INDEX] [ITEM FLAGS]
 Options:
 Required Options:
  [-u, --uri] URI        URI of the rss stream
+                        Also accepts '-' to take input
+                        from stdin (stops once a newline is reached)
 
 Channel information:
  [-t, --title]          Get title of channel

src/options.cpp

@@ -11,7 +11,9 @@ void help(char* progName){
     std::cout << "[-i ITEM_INDEX] [ITEM FLAGS]\n";
     std::cout << "Options:\n";
     std::cout << "Required Options:\n";
-    std::cout << " [-u, --uri] URI        URI of the rss stream\n\n";
+    std::cout << " [-u, --uri] URI        URI of the rss stream\n";
+    std::cout << "                        Also accepts '-' to take input\n";
+    std::cout << "                        from stdin (stops once a newline is reached)\n\n";
 
     std::cout << "Channel information:\n";
     std::cout << " [-t, --title]          Get title of channel\n";

src/rss.cpp

@@ -77,6 +77,10 @@ std::string rss::getURI() const { return _uri; }
 bool rss::update() {
     std::string result;
 
+    if(_uri == "-"){
+        std::getline(std::cin, result);
+        return parse(result);
+    } else {
         CURL *curl;
         CURLcode res;
         curl = curl_easy_init();
@@ -98,6 +102,7 @@ bool rss::update() {
        _ok = false;
         return false;
     }
+}
 
 std::string rss::getTitle() const {
     if(!_ok)