diff --git a/src/du.c b/src/du.c
new file mode 100644
index 0000000..cb773c6
--- /dev/null
+++ b/src/du.c
@@ -0,0 +1,36 @@
+#include <stdio.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <getopt.h>
+
+int
+main(int argc, char *argv[])
+{
+  int c;
+  int human_readable = 0;
+  struct stat file_data;
+
+  while((c = getopt(argc, argv, "h")) != -1)
+    {
+      switch(c)
+        {
+        case 'h': human_readable = 1; break;
+        }
+    }
+  if(argc == optind)
+    {
+      printf("no!\n");
+      return 1;
+    }
+  for(int i = optind; i < argc; i++)
+    {
+      stat(argv[i], &file_data);
+      if(human_readable)
+        printf("%li\t %s",file_data.st_size * 1024, argv[i]);
+      else
+        printf("%li\t %s",file_data.st_size, argv[i]);
+      puts("");
+    }
+  return 0;
+}