# File lib/action_mailer/vendor/tmail/port.rb, line 231
231:     def get_status( tag )
232:       File.foreach(@filename) {|line|
233:         return false if line.strip.empty?
234:         if m = /\AX-TMail-Status:/i.match(line)
235:           return m.post_match.strip.include?(tag[0])
236:         end
237:       }
238:       false
239:     end

     # File lib/action_mailer/vendor/tmail/port.rb, line 195
195:     def set_status( tag, flag )
196:       begin
197:         tmpfile = @filename + '.tmailtmp.' + $$.to_s
198:         File.open(tmpfile, 'w') {|f|
199:           write_status f, tag, flag
200:         }
201:         File.unlink @filename
202:         File.link tmpfile, @filename
203:       ensure
204:         File.unlink tmpfile
205:       end
206:     end

     # File lib/action_mailer/vendor/tmail/port.rb, line 208
208:     def write_status( f, tag, flag )
209:       stat = ''
210:       File.open(@filename) {|r|
211:         while line = r.gets
212:           if line.strip.empty?
213:             break
214:           elsif m = /\AX-TMail-Status:/i.match(line)
215:             stat = m.post_match.strip
216:           else
217:             f.print line
218:           end
219:         end
220: 
221:         s = procinfostr(stat, tag, flag)
222:         f.puts 'X-TMail-Status: ' + s unless s.empty?
223:         f.puts
224: 
225:         while s = r.read(2048)
226:           f.write s
227:         end
228:       }
229:     end