#!/bin/csh -fset arg_num = $#argv; # number of argumentsif ($arg_num < 1) then    echo " "    echo "Missing required ATS argument:"    echo "  '-r' for regression"    echo " "    exitendifset cur_arg = 1set arg_chk = 0set regression = 0while ($cur_arg <= $arg_num)    if ("$argv[$cur_arg]" == "-r") then        @ regression = 1        @ arg_chk = $arg_chk + 1    endif    if ($arg_chk != $cur_arg) then        echo " "        echo "Invalid argument $argv[$cur_arg]"        echo " "        exit    endif    @ cur_arg = $cur_arg + 1endif ($regression == 0) then    echo " "    echo "Missing required ATS argument:"    echo "  '-r' for regression"    echo " "    exitelse    echo " "    echo "ATS running ethernet script with following argument:"    echo "  '-r' for regression"    echo " "    ../run/run_eth_sim_regr.scr -rendif