lib/file_distribution.rb in file_distribution-0.1.1 vs lib/file_distribution.rb in file_distribution-0.2.0

@@ -18,37 +18,35 @@
   end
 
   # Params:
   # - ext: file extension.
   def set_extension(ext)
-    if ext.length > 0 && ext.chars.first != '.'
-      @ext = '.' + ext
-    else
-      @ext = ext
-    end
+    @ext = ext
+
+    @ext = sprintf('.%s', ext) if !ext.empty? && ext.chars.first != '.'
   end
 
   # Returns Destination path.
   def get_path
     @path
   end
 
   # Params:
   # - id: database file ID etc.
   def hex_path(id)
-    hex = "%x" % id
-    hex = '0%s' % hex if hex.length % 2 != 0
-    @path = File.join(@prefix,hex.scan(/../))
+    hex = sprintf('%x', id)
+    hex = sprintf('0%s', hex) if hex.length.odd?
+    @path = File.join(@prefix, hex.scan(/../))
     @path += @ext
   end
 
   # Params:
   # - path: source file path.
   #
-  # Raises a SystemCallError if the file cannot be renamed.
+  # Raise a SystemCallError if the file cannot be renamed.
   def rename_from(path)
     dst_dir = File.dirname(@path)
-    FileUtils.mkpath(dst_dir) unless File.exists?(dst_dir)
+    FileUtils.mkpath(dst_dir) unless File.exist?(dst_dir)
 
-    File.rename(path,@path)
+    File.rename(path, @path)
   end
 end