From: Jun Young Kim Date: 2009-02-24T15:13:26+09:00 Subject: string and fixnum(float) concatenation.... hi, forks... see this source irb(main):015:0> puts "%*s" % [ "1", 2 ] TypeError: can't convert String into Integer from (irb):15:in `%' from (irb):15 from :0 irb(main):016:0> AIK, "%*s" is to use for concatenation of array. but, I met the previous error message. What's different ways I can take?