spencerwi · January 8, 2017 23:10
diff --git a/ping-until-up.sh b/ping-until-up.sh
 #!/bin/bash

 ###
 # Pings a host until the host responds.
 ###

 if [ "$#" -gt 0 ] ; then
    IS_LIVE=false;

    while ! $IS_LIVE ; do
        ping -c4 "$1";
        if [ "$?" -eq 0 ]; then
            IS_LIVE=true;
        fi;
    done;
 else
    echo "usage: $0 HOST"
    exit 1;
 fi
	#!/bin/bash

	###
	# Pings a host until the host responds.
	###

	if [ "$#" -gt 0 ] ; then
	IS_LIVE=false;

	while ! $IS_LIVE ; do
	ping -c4 "$1";
	if [ "$?" -eq 0 ]; then
	IS_LIVE=true;
	fi;
	done;
	else
	echo "usage: $0 HOST"
	exit 1;
	fi