Mini Shell

#!/usr/bin/bash

###################################################################
#
#  Check the temperature of the given SCSI device(s).
#
#  This script assumes the sg3_utils package is installed.
#
##################################################################

verbose=""

usage()
{
  echo "Usage: scsi_temperature [-h] [-v] <device>+"
  echo "  where:"
  echo "    -h, --help           print usage message"
  echo "    -v, --verbose        more verbose output"
  echo ""
  echo "Use SCSI LOG SENSE command to fetch temperature of each <device>"
}

opt="$1"
while test ! -z "$opt" -a -z "${opt##-*}"; do
  opt=${opt#-}
  case "$opt" in
    h|-help) usage ; exit 0 ;;
    v|-verbose) verbose="-v" ;;
    vv) verbose="-vv" ;;
    *) echo "Unknown option: -$opt " ; exit 1 ;;
  esac
  shift
  opt="$1"
done

if [ $# -lt 1 ]
  then
    usage
    exit 1
fi

for i
do
	echo "sg_logs -t $verbose $i"
        sg_logs -t $verbose $i
done