Stringクラスã«é–¢ã™ã‚‹ã„ãã¤ã‹ã®TIPS - ã¡ãªã¿ã«(ã“ã®è¨˜äº‹ã¯Ruby Advent Calendar jp: 2009ã®9日目ã®è¨˜äº‹ã§ã™ï¼Žå‰ã®æ–¹ã¯repeatedlyã•ã‚“ã§ï¼Œå¾Œã®æ–¹ã¯no6vã•ã‚“ã§ã™ï¼Ž) 今回ã¯åŽŸç‚¹ã«ç«‹ã¡å¸°ã‚Šã€Rubyã§ã‚‚ã£ã¨ã‚‚使用ã™ã‚‹ã‚¯ãƒ©ã‚¹ã®1ã¤ã§ã‚ã‚‹Stringクラスã«é–¢ã™ã‚‹TIPSã‚’ã„ãã¤ã‹å…¬é–‹ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ String#% ã«ã‚ˆã‚‹æ–‡ç« ã®æ•´å½¢ 特定ã®ãƒ•ã‚©ãƒ¼ãƒžãƒƒãƒˆã«ã—ãŸãŒã£ã¦æ–‡ç« ã‚’æ•´å½¢ã™ã‚‹éš›ã€Rubyã§ã¯ Kernel.#sprintf ãŒä½¿ç”¨ã§ãã¾ã™ã€‚ã—ã‹ã—7æ–‡å—ã‚‚ã®ãƒ¡ã‚½ãƒƒãƒ‰åをタイプã™ã‚‹ãªã‚“ã¦æ£å¸¸ãªãƒ—ãƒã‚°ãƒ©ãƒžã«ã¯è€ãˆã‚‰ã‚Œã‚‹ã‚‚ã®ã§ã¯ã‚ã‚Šã¾ã›ã‚“。ãã“㧠String#% を使ã†ã®ãŒä¸€èˆ¬çš„ã¨ãªã£ã¦ã„ã¾ã™ã€‚ lang = 'Ruby' country = 'jp' year = 2009 format = '%s Advent Calendar %s: %d' # Kernel.#sprintf puts spri
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