Usage StatementAdd this so you know what the script does and how to use it # ---------------------------------------------------
# 1. usage for this script
# 1.1 define usage:
programname=$0
function usage {
echo "usage: $programname [-h] "
echo "This is what we are doing here"
echo ""
echo " -h display help"
echo " -i {IP} single IP address to use"
echo " -f {infile} file with list of IPs to use"
exit 1
}
# 1.2 if help, display usage
if [[ ( $@ == "--help") || $@ == "-h" ]]
then
usage
exit 0
fi
# 1.3 if less than two arguments supplied, display usage
if [ $# -le 1 ]
then
usage
exit 1
fi
|