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2011-11-28 11:58:40 -0500 answered a question bag to csv

I did the reindex. Still getting the same error. Please help

2011-11-28 11:58:10 -0500 commented answer bag to csv
I did the reindex. Still getting the same error. Please help
2011-11-22 03:59:29 -0500 commented answer bag to csv
I am trying the cookbook python example and I am getting this... rosbag.bag.ROSBagUnindexedException: Unindexed bag
2011-11-22 03:59:10 -0500 answered a question bag to csv

I am trying the cookbook python example and I am getting this... rosbag.bag.ROSBagUnindexedException: Unindexed bag

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2011-11-18 00:47:52 -0500 asked a question bag to csv

I am doing this to grab a topic from my bag rostopic echo -p -b bagfile.bag /topic1 > topic1.txt

an example text file is this:

%time,field.axes0

1319232665843818430,0.0

1319232665893904494,0.0

is %time unix time? because I can't seem to convert it.

What I would like is to convert this to tell me the number of seconds from its start, so the bag starts with 0 time, this is to match the timestamp on an audiofile logged at the same time as this.

Thanks