Removed submodules

p1-sh/utils/cat.c

@@ -0,0 +1,41 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+static void usage (void) __attribute__ ((unused));
+
+int
+main (int argc, char *argv[])
+{
+  if (argc < 2) 
+    {
+      int c;
+      while ((c = getchar()) != EOF) 
+        {
+          putchar(c);
+        }
+      return EXIT_SUCCESS;
+    }
+
+  FILE *fp = fopen(argv[1], "r");
+  if (fp == NULL)
+    {
+      return EXIT_FAILURE;
+    }
+   
+  int c;
+  while ((c = fgetc(fp)) != EOF)
+    {
+      putchar(c);
+    }
+
+  fclose(fp);
+
+  return EXIT_SUCCESS;
+}
+
+static void
+usage (void)
+{
+  printf ("cat, print the contents of a file\n");
+  printf ("usage: cat FILE\n");
+}