There is nothing new about Wireshark releasing an update; however, the new 2.4 branch has new feature that is quite useful that I have been waiting to be able to use for a while. In case you missed it, tshark now has the ability to Export Objects. I have tested the export using large pcap files with multiple objects and tshark does a good job "dumping" all the files in the specified directory (i.e. destdir).
To extract HTTP or SMB objects from the command-line, run the following command:
tsahrk -nr file.pcap --export-objects http,destdir
tshark -nr file.pcap --export-objects smb,destdir
[1] https://www.wireshark.org/#download
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Guy Bruneau IPSS Inc.
Twitter: GuyBruneau
gbruneau at isc dot sans dot edu