format based string interpolation : puts « Language Basics « Ruby

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Ruby » Language Basics » 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!"   Related examples in the same category 1.  Display a Message 2.  Insert some output from a shell command 3.  Put two or more variables together with the + method: 4.  format a string with puts 5.  Get the command line parameter 6.  Comparing Floating-Point Numbers 7.  Simple Arithmetic 8.  use parentheses 9.  Array on righthand side for multiple args 10.  %d for decimal integers 11.  hexadecimal integers 12.  uppercase hexadecimal integers 13.  octal integers string format 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 19.  Field width 20.  Float number Precision 21.  Field and precision combined 22.  Multiple arguments to be formatted

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