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## vim:ft=zsh
## check_ping - returns true if a host responds to ICMP echo requests
## Usage: check_ping [-6] <host>
typeset -i ipv6 ret
while [[ $1 == -* ]] {
case $1 in
-6) ipv6=1 ;;
esac
shift
}
typeset dst=$1
shift
if ((ipv6)) {
ping6 -c 1 $dst &> /dev/null
} else {
ping -c 1 $dst &> /dev/null
}
return
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