The os.path.commonprefix function basically returns the common initial
characters (if any) shared by a sequence of strings, e.g.
os.path.commonprefix(("Python is great!", "Python is not bad",
"Python helps")) # returns "Python "
The following was wrong. os.path.commonprefix uses min and max, not
sort. I withdraw it:
I also suspect that this function could be made more efficient. It
sorts the sequence. While sorting is very fast (thanks, Uncle Tim!) it
seems a bit OTT in this case.
Thoughts?
Best wishes
Rob Cliffe
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