printf prints its arguments under the control of a format string : printf « Development « Ruby






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printf prints its arguments under the control of a format string


printf("Number: %5.2f,\nString: %s\n", 1.23, "hello") 
# produces: 
# Number: 1.23, 
# String: hello








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3.printf("%.55f", 1.8 + 0.1)
4.printf with format