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rc/sh/similar

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Executable file

#!/bin/sh
awk '
{
i=0
split($0,a,"")
split(L,b,"")
for (c in a)
if (a[c]==b[c]) i++
else break
print substr($0,1,i) "\033[7m" substr($0,i+1) "\033[0m"
L=$0
}'