Dear creator, This is Jinsik Kim. I am a Ph.D. student in UCI. I am using cwRsync to measure the transfer cost between an previous version file and a new version file on local paths with the delta-transfer algorithm. However, I couldn't find a proper option for this purpose. Here is an example of me. ----------------------------------------------------------------------- $ ./rsync -av --stats /cygdrive/c/cwRsync/Temp00/functions.bat /cygdrive/c/cwRsync/Temp00/Dest/ sending incremental file list functions.bat Number of files: 1 Number of files transferred: 1 Total file size: 1195 bytes Total transferred file size: 1195 bytes Literal data: 1195 bytes Matched data: 0 bytes File list size: 48 File list generation time: 0.001 seconds File list transfer time: 0.000 seconds Total bytes sent: 1295 Total bytes received: 31 sent 1295 bytes received 31 bytes 204.00 bytes/sec total size is 1195 speedup is 0.90 ---------------------------------------------------------- Would you mind if I ask you to let me know the option which can measure and display the transfer cost. Thanks, Jinsik