From 3461d6dfc348b1814376669518f2dcbb114ab9c8 Mon Sep 17 00:00:00 2001
From: Jan Tuomi <jan-sebastian.tuomi@aalto.fi>
Date: Sun, 9 Oct 2016 12:29:14 +0300
Subject: Add rudimentary file reading and error checking

---
 main.cpp | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/main.cpp b/main.cpp
index b0846a7..4e0da53 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,12 +1,37 @@
 #include <iostream>
+#include <fstream>
+#include <string>
+
+std::string* read_file(const std::string& filename) {
+    std::ifstream file(filename);
+
+    if (file.fail())
+        return nullptr;
+
+    std::string str;
+    std::string* file_contents = new std::string();
+    while (std::getline(file, str)) {
+        *file_contents += str;
+        file_contents->push_back('\n');
+    }
+    
+    return file_contents;
+}
 
 int main(int argc, char** argv) {
     if (argc < 2) {
-        std::cout << "Please provide a file path.";
+        std::cout << "Please provide a file path.\n";
         return 1;
     }
 
     std::string filepath(argv[1]);
+    std::string* contents = read_file(filepath);
+    if (contents == nullptr) {
+        std::cout << "Error reading file.\n";
+        return 1;
+    }
+
+    delete contents;
 
     return 0;
 }
-- 
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