Ruby 1.8.7 Reference Manual > All Libraries > Builtin Library > class String > bytes
each_byte {|byte| ... } -> selfbytes {|byte| ... } -> selfeach_byte -> Enumerable::Enumeratorbytes -> Enumerable::Enumerator文字列の各バイトに対して繰り返します。
例:
"str".each_byte do |byte|
p byte
end
# => 115
# => 116
# => 114
[SEE_ALSO] String#unpack