Ubuntuã«rubyã¤ã³ã¹ãã¼ã«ãããã¨ãã¦ã[ubuntu ruby 1.9]ã¨ãã£ã¦æ¤ç´¢ããã¨ãsrcããã®ã¤ã³ã¹ãã¼ã«ã®ãã¼ã¸ã沢山åºã¦ãã¦æéããªããããçµå±1.8ç³»ãå ¥ããã®ã ãã©ãä»æ¥ã«ãªã£ã¦ã試ãã« apt-get install ruby1.9ã¨ãããã libruby1.9 ruby1.9ããµã¯ãã¨ã¤ã³ã¹ãã¼ã«ããã¦ãã¾ã£ããã©ããã¼ã¨ããã¹ããã ã ããä» Ubuntu ã«ã¯1.8ç³»ã¨1.9ç³»ã両æ¹å ¥ã£ã¦ãããããããrubyã³ãã³ãã1.9ç³»ã§ä¸æ¸ãã¦ããããã¨æã£ããã1.9系㯠ruby1.9ã¨ããã³ãã³ãåã§ã¤ã³ã¹ãã¼ã«ããã¦ãã¾ã£ãã $ ruby -v ruby 1.8.7 (2009-06-12 patchlevel 174) [i486-linux] $ ruby1.9 -v ruby 1.9.0 (2008-10-04 revision 19669)
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