RDoc::Stats::Normal

     # File lib/rdoc/stats.rb, line 169
169:     def print_file(files_so_far, filename)
170:       progress_bar = sprintf("%3d%% [%2d/%2d]  ",
171:                              100 * (files_so_far + 1) / @total_files,
172:                              files_so_far + 1,
173:                              @total_files)
174: 
175:       if $stdout.tty?
176:         # Print a progress bar, but make sure it fits on a single line. Filename
177:         # will be truncated if necessary.
178:         terminal_width = (ENV['COLUMNS'] || 80).to_i
179:         max_filename_size = terminal_width - progress_bar.size
180:         if filename.size > max_filename_size
181:           # Turn "some_long_filename.rb" to "...ong_filename.rb"
182:           filename = filename[(filename.size - max_filename_size) .. 1]
183:           filename[0..2] = "..."
184:         end
185: 
186:         # Pad the line with whitespaces so that leftover output from the
187:         # previous line doesn't show up.
188:         line = "#{progress_bar}#{filename}"
189:         padding = terminal_width - line.size
190:         line << (" " * padding) if padding > 0
191: 
192:         $stdout.print("#{line}\r")
193:       else
194:         $stdout.puts "#{progress_bar} #{filename}"
195:       end
196:       $stdout.flush
197:     end