-l

ls.rb

@@ -83,22 +83,15 @@ def permission(file_stat)
 end
 
 def file_type(file_stat)
-  case file_stat.ftype
+  {
-  when 'file'
+    'fifo' => 'p',
-    print '-'
+    'characterSpecial' => 'c',
-  when 'directory'
+    'directory' => 'd',
-    print 'd'
+    'blockSpecial' => 'b',
-  when 'characterSpecial'
+    'file' => '-',
-    print 'c'
+    'link' => 'l',
-  when 'blockSpecial'
+    'socket' => 's'
-    print 'b'
+  }[file_stat]
-  when 'fifo'
-    print 'p'
-  when 'link'
-    print 'l'
-  when 'socket'
-    print 's'
-  end
 end
 
 def file_size(filenames)