In 0.24-fixes (svn 27113):

$ mythcommflag --chanid 2664 --starttime 20101104163000 --getskiplist
2010-11-06 16:56:03.029 Using runtime prefix = /usr/local
2010-11-06 16:56:03.029 Using configuration directory = /home/kevin/.mythtv
2010-11-06 16:56:03.030 Empty LocalHostName.
2010-11-06 16:56:03.220 New DB connection, total: 1
2010-11-06 16:56:03.292 Closing DB connection named 'DBManager0'
Commercial Skip List: 29654-37462,59878-71586,92926-99230

In 0.23.1:

# mythcommflag --file /home/mythtv/2664_20101104163000.mpg --getskiplist
2010-11-06 16:45:22.026 Using runtime prefix = /usr
2010-11-06 16:45:22.027 Using configuration directory = /root/.mythtv
2010-11-06 16:45:22.029 Empty LocalHostName.
2010-11-06 16:45:22.053 New DB connection, total: 1
2010-11-06 16:45:22.094 Closing DB connection named 'DBManager0'
2010-11-06 16:45:22.105 ProgramInfo(): Updated pathname '':'' -> '2664_20101104163000.mpg'
Commercial Skip List: 26934-37436,59848-71858,89298-99202,107794-112856