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andcam/gist:c6462b0afe5e047b831d08abb306fc7b

Created November 29, 2022 09:01
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extract, sort and count IP4 address from any text file
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gistfile1.txt
awk '/^[0-9.]+[.][0-9]+[.][0-9]+[.][0-9]+$/{if(!a[$0]++)print $0}' RS="[ :/\n]" file.txt | sort | uniq -c
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