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Contents
module CarrierWave
module Utilities
module FileName
##
# Returns the part of the filename before the extension. So if a file is called 'test.jpeg'
# this would return 'test'
#
# === Returns
#
# [String] the first part of the filename
#
def basename
split_extension(filename)[0] if filename
end
##
# Returns the file extension
#
# === Returns
#
# [String] extension of file or "" if the file has no extension
#
def extension
split_extension(filename)[1] if filename
end
private
def split_extension(filename)
# regular expressions to try for identifying extensions
extension_matchers = [
/\A(.+)\.(tar\.([glx]?z|bz2))\z/, # matches "something.tar.gz"
/\A(.+)\.([^\.]+)\z/ # matches "something.jpg"
]
extension_matchers.each do |regexp|
if filename =~ regexp
return $1, $2
end
end
[filename, ""] # In case we weren't able to split the extension
end
end # FileName
end # Utilities
end # CarrierWave
Version data entries
10 entries across 10 versions & 1 rubygems