Class: FileWrapper
- Inherits:
-
Object
- Object
- FileWrapper
- Defined in:
- lib/file_wrapper.rb
Overview
FileWrapper wraps the ‘file’ command line utility.
Class Method Summary collapse
-
.get_mime(filename) ⇒ Object
Extract the mime type from a file.
Class Method Details
.get_mime(filename) ⇒ Object
Extract the mime type from a file.
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# File 'lib/file_wrapper.rb', line 5 def get_mime(filename) raise ArgumentError, "Invalid file" unless File.exist? filename and File.file? filename and File.readable? filename file_output = `file --mime "#{filename}" 2>&1`.strip matches = file_output.match(/.+?:\s+([\/\d\w-]+\/[\/\d\w-]+)/) if matches return matches[1] else return nil end end |