Web Reference: Several Ruby core classes have instance method printf or sprintf: Each of these methods takes: Argument format_string, which has zero or more embedded format specifications (see below). Arguments *arguments, which are zero or more objects to be formatted. Today we walk you through the sprintf function. We assume that you are aware about the basics of Ruby programming. Even if you do not have prior programming experience, this special course on Ruby can help get you up to speed in no time (well, almost!). Within the format string, any characters other than format sequences are copied to the result. The syntax of a format sequence is follows. A format sequence consists of a percent sign, followed by optional flags, width, and precision indicators, then terminated with a field type character.
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