http://www.slideshare.net/LoveMyTool/ostu-sake-blok-on-wireshark-capture-file-manipulation-part-i-presentation
$ editcap -i 60 test.cap split.cap
c:\Program Files\Wireshark\editcap.exe: illegal option -- i
Editcap 1.0.3 (SVN Rev 26134)
Edit and/or translate the format of capture files.
$ editcap -i 60 test.cap split.cap
$ editcap -v
Editcap 1.1.2-SVN-26283 (SVN Rev 26283)
Edit and/or translate the format of capture files.
Editcap option -i <seconds per file> is only available in the automated builds.
When will it be available in the stable releases?
Thnx
Joan