Field width : puts « Language Basics « Ruby






  1. Ruby
  2. Language Basics
  3. puts

Field width


puts '%5s' % '<<<'     # '  <<<': right-justify in field five characters wide
puts '%-5s' % '>>>'    # '>>>  ': left-justify in field five characters wide
puts '%5d' % 123       # '  123': field is five characters wide
puts '%05d' % 123      # '00123': pad with zeros in field five characters wide








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12.hexadecimal integers
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14.octal integers string format
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16.force exponential notation
17.exponential with uppercase E
18.six significant digits
19.Use %f or %e depending on magnitude
20.Float number Precision
21.Field and precision combined
22.Multiple arguments to be formatted