How to cut capture by duration

["zze-DALMASSO Cedric RD-BIZZ-SOP" <cedric.dalmasso () rd francetelecom com>]

Hello, 
I look for a means to make a capture at long time. But it's impossible since the file's size grow up.
Do you know a means to cut it by duration, for example each hour a new file (it's simpler to use file with duration cut 
rather than size cut)? 

Thank you for your assistance. 

Cédric Dalmasso
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