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Calculate total duration from a list?
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So I have a list generated by a program that looks like this:
00:02:26.87 - Test Pattern
00:01:32.07 - In Memoriam
00:00:31.65 - Hanna Barbera Anti-Drug PSA
00:00:17.36 - Feature Presentation 01
01:03:06.85 - The Marijuana Menace (1937)
00:00:35.70 - Intermission 03
00:05:25.76 - Co-Ed Secrets
00:11:05.60 - Halloween Safety
00:01:00.93 - Beware Child Driver - PSA Safety Spot (Early 1970s)
00:00:08.44 - Intermission End
01:32:05.89 - The Eyes Behind the Stars (1978)
00:00:35.70 - Intermission 03
00:02:55.64 - Peeping Toms Paradise
00:02:44.86 - Trailer - The Baby (1973)
00:10:25.42 - Joan Avoids a Cold
00:00:08.44 - Intermission End
01:30:54.96 - The Head (1959)
00:00:35.70 - Intermission 03
00:00:28.18 - Silence Please
00:10:40.47 - Health - Your Posture
00:02:23.17 - Trailer - Black Sabbath
00:00:08.44 - Intermission End
01:02:18.99 - Attack of the Giant Leeches (1959)
00:00:15.05 - End Loop
The list is duration of each clip - title of clip. I don't have direct access to the clips, so ffprobe and other programs won't work.
How can I write a script that will generate a total duration of all the clips together? (The seconds can be rounded if needed.)
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