File.extname(path) â string
Class Public methods
Returns the extension (the portion of file name in path
starting from the last period).
If path is a dotfile, or starts with a period, then the
starting dot is not dealt with the start of the extension.
An empty string will also be returned when the period is the last character
in path.
1 2 3 4 5 6 | File.extname("test.rb") #=> ".rb"File.extname("a/b/d/test.rb") #=> ".rb"File.extname("foo.") #=> ""File.extname("test") #=> ""File.extname(".profile") #=> ""File.extname(".profile.sh") #=> ".sh" |
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