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#! /bin/dash
set -eu
cd /etc/tinc/retiolum/hosts
for name in `
grep '^[[:space:]]*Address[[:space:]]*=' * |
cut -d: -f1 | sort | uniq
`; do
if eval "`sed -n '
s/[[:space:]]\+//g
s/^\(Address\|Port\)=\(.*\)/\1="\${\1+\$\1\n}\2"/p
' $name`"; then
port=${Port-655}
for host in $Address; do
if nc -zw 2 $host $port 2>/dev/null; then
echo $name - $host reachable
fi &
done
wait
fi &
done
wait
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