format based string interpolation : puts « Language Basics « Ruby






  1. Ruby
  2. Language Basics
  3. puts

format based string interpolation


#!/usr/bin/env ruby

hi = "Hello, %s"

puts hi % "myValue!" # => "Hello, myValue!"

puts hi % "people!" # => "Hello, people!"

puts hi % "universe!" # => "Hello, universe!"








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14.full-length floating-point numbers
15.force exponential notation
16.exponential with uppercase E
17.six significant digits
18.Use %f or %e depending on magnitude
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20.Float number Precision
21.Field and precision combined
22.Multiple arguments to be formatted