hello world in BF

hello.bf

@@ -0,0 +1,21 @@
++++++ +++++             initialize counter (cell #0) to 10
+[                       use loop to set the next four cells to 70/100/30/10
+    > +++++ ++              add  7 to cell #1
+    > +++++ +++++           add 10 to cell #2 
+    > +++                   add  3 to cell #3
+    > +                     add  1 to cell #4
+    <<<< -                  decrement counter (cell #0)
+]                   
+> ++ .                  print 'H'
+> + .                   print 'e'
++++++ ++ .              print 'l'
+.                       print 'l'
++++ .                   print 'o'
+> ++ .                  print ' '
+<< +++++ +++++ +++++ .  print 'W'
+> .                     print 'o'
++++ .                   print 'r'
+----- - .               print 'l'
+----- --- .             print 'd'
+> + .                   print '!'
+> .                     print '\n'