Add deb pkg: dnsutils
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1#! /usr/bin/awk -f
2
3! /^\#/ && ! /^$/ {
4 xs[$1]++
5}
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7END {
8 for (x in xs) {
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9 if (xs[x] > 1) {
10 printf ">>> [WARNING] : '%s' was listed %d times.\n", x, xs[x] > "/dev/stderr"
11 }
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12 printf("%s%s", sep, x)
13 sep = " "
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14 }
15}
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