user-level programs: mkdir and rm

shell parses arguments (very simplistic)
readme version of README (sh doesn't deal with capital characters)
printf recognizes %c
nicer output format for ls

1 files changed, 8 insertions, 2 deletions

diff --git a/ls.c b/ls.c
index 9731f6f..607a857 100644
--- a/ls.c
+++ b/ls.c
@@ -13,6 +13,7 @@ main(int argc, char *argv[])
   int fd;
   uint off;
   uint sz;
+  int i;
 
   if(argc > 1){
     puts("Usage: ls\n");
@@ -42,8 +43,13 @@ main(int argc, char *argv[])
 	printf(1, "stat: failed\n");
 	break;
       }
-      printf(1, "%s t %d ino %d sz %d\n", dirent.name, st.st_type, 
-	     dirent.inum, st.st_size);
+      for (i = 0; i < DIRSIZ; i++) {
+	if (dirent.name[i] != '\0')
+	  printf(1, "%c", dirent.name[i]);
+	else
+	  printf(1, " ");
+      }
+      printf(1, "%d %d %d\n", st.st_type, dirent.inum, st.st_size);
     }
   }
   close(fd);