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#!/bin/sh
setopt localoptions nonomatch
tmp="$(mktemp)"
tail -n +1 ~/.ssh/config ~/.ssh/config.d/* /etc/ssh/ssh_config 2>/dev/null | grep -i '^\s*host ' |
awk '{for (i = 2; i <= NF; i++) print "ssh_config " $i}' | grep -v '[*?%]' >"$tmp"
grep -oE '^[[a-z0-9.,:-]+' ~/.ssh/known_hosts | tr ',' '\n' | tr -d '[' | awk '{ print "known_hosts " $1 }' >"$tmp"
grep -v '^\s*\(#\|$\)' /etc/hosts | command grep -Fv '0.0.0.0' >"$tmp"
cat "$tmp"
exit 0
while IFS= read -r host; do
hosts="$hosts $host"
done <"$tmp"
rm "$tmp"
printf %s\\n "$hosts" | xargs -I{} -d ' ' printf %s\\n {}
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