diff --git a/src/main.cpp b/src/main.cpp
index b165e61..4a61807 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3,10 +3,12 @@
 #include <string>
 #include <stdexcept>
 #include <getopt.h>
+#include <netpbm/pam.h>
 #include "commit.inc"
+#include "pixels.hpp"
 
 void print_help() {
-    std::cout << "usage: termage [-h|--version]\n";
+    std::cout << "usage: termage [-h|--version] <imagefile>\n";
     std::cout << "  -h, --help    show this help text and exit\n";
     std::cout << "  --version     show version number and exit\n";
 }
@@ -21,6 +23,7 @@ void print_version() {
 
 int main(int argc, char* argv[]) {
     try {
+        pm_init("termage", 0);
         int opt_char, opt_val;
         struct option long_options[] = {
             {"help", no_argument, nullptr, 'h'},
@@ -52,11 +55,11 @@ int main(int argc, char* argv[]) {
         for (int i = optind; i < argc; ++i) {
             try {
                 // process file argv[i]
+                write_image(std::cout, argv[i]);
             } catch (const std::runtime_error& ex) {
                 std::cerr << "termage: " << ex.what() << '\n';
             }
         }
-        std::cout << "hello, termage\n";
     } catch (const std::exception& ex) {
         std::cerr << "termage: " << ex.what() << '\n';
         return EXIT_FAILURE;