Shell Programming and Scripting

#Check for RC=100 
chk_rc_100() {
        ret_code=$?
        if [ "$ret_code" != "100" ]
                then
                        echo "!!!!!"
                        echo "Script finished with error!"
                        echo "!!!!!"
                        exit $ret_code
                fi
                fi
}


CMD="/app/test/script47.sh"
$CMD
chk_rc_100

CMD="/app/test/script27.sh"
$CMD
chk_rc_100

CMD="/app/test/script31.sh"
$CMD
chk_rc_100

CMD="/app/test/script79.sh"
$CMD
chk_rc_100

#!/bin/bash
while true
do
   printf "Please insert number of steps? "
   read steps
   [ "$steps" -gt 0 ] 2> /dev/null && break
   printf "Invalid number - please try again\n\n"
done
step=1
while [ $step -le $steps ]
do
  printf "Insert Step $step? "
  read step_cmd[step]
  if [ -f "${HOME_DIR}/bin/${step_cmd[step]}" ]
  then
      let step=step+1
      while true
      do
           printf "Please check return code for ${step_cmd[step]}? "
           read step_ret[step]
           [ "${step_ret[step]}" -ge 0 ] 2> /dev/null && break
           printf "Invalid number - please try again\n\n"
      done
      printf "\n"
  else
      printf "Illegal step script not found - please try again\n\n"
  fi
done
 
printf "Check before running the scripts:\n"
i=1
while [ $i -le ${#step_cmd[*]} ]
do
   printf "  %d. %s -- return code %d\n" $i ${step_cmd[i]} ${step_ret[i]}
   let i=i+1
done
printf "For continue insert yes: "
read continue
if [ "$continue" = "yes" ]
then
    i=1
    while [ $i -le ${#step_cmd[*]} ]
    do
       sudo -u root ${HOME_DIR}/bin/${step_cmd[i]}
       if [ $? -ne ${step_ret[i]} ]
       then
           echo "Script #$i failed - exiting"
           exit 2
       fi
       let i=i+1
    done
else
    echo "Not confirmed - aborting"
    exit 1
fi