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33 lines
677 B
33 lines
677 B
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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getvirtualvideo.py
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Pick 1st virtual video port
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History:
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--------
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09.05.20/KQ Initial version
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27.05.20/KQ Variable naming corrected
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"""
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import sys
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# Some argument scanning for start
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if len(sys.argv) > 1:
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basename = sys.argv[1]
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else:
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basename = "videolist"
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with open(basename + "1.txt") as l1:
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r1 = l1.read()
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with open(basename + "2.txt") as l1:
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r2 = l1.read()
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r3 = r2.replace(r1, "") # Skip previously existing entries ...
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if len(r3) > 10:
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r4 = r3[0:11] # /dev/video? (Att.: Single digit cam# only!)
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print(r4) # Use output '/dev/video?'
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else: # Will (& shall) fail
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print("/dev/videoUnknown")
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