Hi Markus,<div><br></div><div>Which version of ROS are you using?  You can run &quot;rosversion ros&quot; to check.<br><br></div><div>Tim</div><div><br></div><div><div class="gmail_quote">On Mon, Sep 13, 2010 at 6:35 AM, Markus Achtelik <span dir="ltr">&lt;<a href="mailto:markus.achtelik@mavt.ethz.ch">markus.achtelik@mavt.ethz.ch</a>&gt;</span> wrote:<br>

<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">Hi all,<br>
<br>
I recorded some data with rosbag record and the split option. Playing<br>
back or rosbag info works perfectly for the first file that was<br>
recorded. The remaining files give me the error:<br>
<br>
ERROR bag unindexed: secondfile.bag.  Run rosbag reindex.<br>
<br>
After reindexing these files, rosbag info just gives me something like<br>
this, instead of listing the topics etc:<br>
<br>
path:    secondfile.bag<br>
version: 2.0<br>
size:    200.1 MB<br>
<br>
How can I play back these files? From what I can tell from the size of<br>
the first bagfile (mostly images) and number of messages, information<br>
from rosbag info firstfile.bag just corresponds to this firstfile.bag.<br>
<br>
I guess I just didn&#39;t get something really simple ...<br>
<br>
<br>
Thanks for the help!<br>
<br>
Best, Markus<br>
<br>
PS: firstfile.bag and secondfile.bag are just examples, I kept the<br>
original filenames given by rosbag record<br>
<br>
<br>
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</blockquote></div><br></div>