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如何在ruby中找到文件扩展名?_Ruby_File Extension - Fatal编程技术网

如何在ruby中找到文件扩展名?

如何在ruby中找到文件扩展名?,ruby,file-extension,Ruby,File Extension,如何在ruby中找到文件扩展名 有什么例子吗?试试这个=> ext = File.extname(file_name)

如何在ruby中找到文件扩展名

有什么例子吗?

试试这个=>

ext = File.extname(file_name)