getopts以参数形式执行diag

 #!/bin/bash
 #################################################################################
 # Copyright(C) 2019 xxx Ltd. All rights reserved.                               #
 # File Name        :cel-led-test                                                #
 # Author           :Bing Song                                                   #
 # Created Time     :12/2/2019                                                   #
 # Applied Porject  :xx                                                          #
 # How to Use       :Copy this script into "root/" directory and run it directly.#
 #################################################################################

 #Defining variables
 LED_PATH="/sys/bus/i2c/devices/15-0060"
 FAN_TRARY_PATH="/sys/devices/platform/soc/fd880000.i2c-pld/i2c-0/i2c-4/i2c-5/i2c-10/10-0066"
 DEVICE_ID=
 COLOR=
 TYPE=
 function usage() #定义帮助内容样式
 {
     echo -e "Usage::\n"
     echo -e "\t-a                     test all config"
     echo -e "\t-r                     read operation"
     echo -e "\t-w                     write operation"
         echo -e "\t-d                     device id.Example with psu,-d 1 or 2"
         echo -e "\t-t                     [system|fan|psu|sfp]"
         echo -e "\t-c                     [red|green|off|bule|white]"
         echo -e "\t-h                     display this help context and exit"
 echo -e "Example: \n"
 echo -e " -a                            #test all config"
 echo -e " -r -t system -d 1             #get system led status"
 echo -e " -r -t psu -d 1                #get psu1 led status"
 echo -e " -w -t fan -d 1 -c red         #set fan1 led to red"
 }
 function led_read(){

     if [ "$TYPE" = "system" ];then#判断LED类型为system led

         cat "$LED_PATH"/system_led > tmp.log
         data=`cat tmp.log`
         printf "Reading ($TYPE) LED,value:("$data") -- :Passed \n"
         rm -rf tmp.log
     elif [ "$TYPE" = "psu" ];then

         cat "$LED_PATH"/pwr"$DEVICE_ID"_led > tmp.log
        data=`cat tmp.log`
        printf "Reading ($TYPE$DEVICE_ID) LED,value:("$data") -- :Passed \n"
        rm -rf tmp.log
     elif [ "$TYPE" = "fan" ];then
         if [ "$DEVICE_ID" = "" ];then

             cat "$LED_PATH"/fan_led > tmp.log
             data=`cat tmp.log`
             printf "Reading ($TYPE) LED,value:("$data") -- :Passed \n"
             rm -rf tmp.log
         else
             #echo "#cat $FAN_TRARY_PATH/fan"$DEVICE_ID"_led"
             cat "$FAN_TRARY_PATH"/fan"$DEVICE_ID"_led > tmp.log
             data=`cat tmp.log`
             printf "Reading ($TYPE$DEVICE_ID) LED,value:("$data") -- :Passed \n"
             rm -rf tmp.log

         fi
     else
        check_type

     fi
 }

 function led_write(){
     #echo "function kcs:-$OPTARG and $OPTIND"
  if [ "$TYPE" = "system" ];then
         #echo "#echo $COLOR > $LED_PATH/system_led"
         echo $COLOR > "$LED_PATH"/system_led
         if [ $? -eq 0 ];then
             printf "Wrinting ($TYPE) LED,value:("$COLOR") -- :Passed \n"
         else
              printf "Wrinting ($TYPE) LED,value:("$COLOR") -- :Failed \n"
         fi
     elif [ "$TYPE" = "psu" ];then
        # echo "#echo $COLOR > $LED_PATH/pwr"$DEVICE_ID"_led"
         echo $COLOR > "$LED_PATH"/pwr"$DEVICE_ID"_led
         if [ $? -eq 0 ];then
             printf "Wrinting ($TYPE$DEVICE_ID) LED,value:("$COLOR") -- :Passed \n"
         else
             printf "Wrinting ($TYPE) LED,value:("$COLOR") -- :Failed \n"
         fi
     elif [ "$TYPE" = "fan" ];then
         if [ "$DEVICE_ID" = "" ];then
             #echo "#echo $COLOR > $LED_PATH/fan_led"
             echo "$COLOR" > "$LED_PATH"/fan_led
             if [ $? -eq 0 ];then
                 printf "Wrinting ($TYPE) LED,value:("$COLOR") -- :Passed \n"
             else
                  printf "Wrinting ($TYPE) LED,value:("$COLOR") -- :Failed \n"
             fi
         else
             #echo "#echo $COLOR >  $FAN_TRARY_PATH/fan"$DEVICE_ID"_led"
             echo $COLOR > "$FAN_TRARY_PATH"/fan"$DEVICE_ID"_led
             if [ $? -eq 0 ];then
                 printf "Wrinting ($TYPE$DEVICE_ID) LED,value:("$COLOR") -- :Passed \n"
             else
                 printf "Wrinting ($TYPE) LED,value:("$COLOR") -- :Failed \n"
             fi
         fi
     else
        check_type

     fi

 }
 function check_type(){ #定义函数，校验led type
    if [ "$TYPE" = "psu" ];then
        return 0
    elif [ "$TYPE" = "fan" ];then
        return 0
    elif [ "$TYPE" = "system" ];then
        return 0
    else
       return 1
    fi

 }
 function check_color_mode(){ #定义函数，校验led color 种类
    if [ "$COLOR" = "red" ];then
        return 0
    elif [ "$COLOR" = "green" ];then
        return 0
    elif [ "$COLOR" = "off" ];then
        return 0
    else
       return 1
    fi

 }

 function check_device_id(){ #定义函数，校验device id
 local psu_dev_arry=(1 2)
 local fan_dev_arry=(0 1 2 3 4 5 6 7)
 if [ "$TYPE" = "psu" ];then
    for i in ${psu_dev_arry[@]}
    do
       if [ "$DEVICE_ID" = $i ];then
          return 0
       fi
    done
    return 1
 elif [ "$TYPE" = "fan" ];then
     for i in ${fan_dev_arry[@]}
     do
       if [ "$DEVICE_ID" = $i ];then
          return 0
       fi
    done
    return 1
 fi
 }

 function all(){ #定义函数all()去执行带--all参数的选项
 #system
     local color_arry=(red green off)
     local test_type=(system psu fan fan-tray)
     local pid=1
     local psu_id=(1 2)
     local fan_id=(1 2 3 4 5 6 7 8 9 10 11 12 13 14)
     local ERROR_COUNT=0
     printf "==================================LED TEST ALL===========================================\n"#printf进行打印格式化
     printf "Type:${test_type[0]}\n"
     echo   "-----------------------------------------------------------------------------------------"
     printf "|%-10s|%10s|%10s|%10s|%10s|%10s|%10s|%10s|\n" ID Name Value Result Value Restult Value Result #printf打印格式化，%10表示字段间距\n表回车，s表示占位符，代替后面的实际字段
     echo   "-----------------------------------------------------------------------------------------"
     printf "|%-10s|%10s|" 1 System
         for i in ${color_arry[@]}
         do
             echo $i > "$LED_PATH"/system_led
             sleep 1
             if [ $? -eq 0 ];then #判断上条命令是否执行成功
                 printf "%10s|\033[32m%10s\033[0m|" $i Passed #Passed字体绿色显示32m

             else
                  printf "%10s|\033[31m%10s\033[0m|" $i Failed #Failed 字体红色显示31m
                  ERROR_COUNT=$[$ERROR_COUNT+1]#TBD
                  exit 1
             fi
        done
     printf "\n"
     echo   "-----------------------------------------------------------------------------------------"
     printf "Type:${test_type[1]}\n"
     echo   "-----------------------------------------------------------------------------------------"
     printf "|%-10s|%10s|%10s|%10s|%10s|%10s|%10s|%10s|\n" ID Name Value Result Value Restult Value Result
     echo   "-----------------------------------------------------------------------------------------"
 #PSU

     printf "|%-10s|%10s|" $pid ${test_type[1]}
     for j in ${psu_id[*]}
     do
         for i in ${color_arry[*]}
         do

             echo $i > "$LED_PATH"/pwr"$j"_led
             sleep 1
             if [ $? -eq 0 ];then
                 printf "%10s|\033[32m%10s\033[0m|" $i Passed

             else
                  printf "%10s|\033[31m%10s\033[0m|" $i Failed
                  ERROR_COUNT=$[$ERROR_COUNT+1]

                  exit 1
             fi

         done
      printf "\n"
      j=$[$j+1]
      if [ "$j" = "" ];then
         printf "|%-10s|%10s|" $j ${test_type[1]$j}
      else
         continue
      fi
      done
        printf "\n"
     echo   "-----------------------------------------------------------------------------------------"
 #front panle fan
     printf "Type:${test_type[2]}\n"
     echo   "-----------------------------------------------------------------------------------------"
     printf "|%-10s|%10s|%10s|%10s|%10s|%10s|%10s|%10s|\n" ID Name Value Result Value Restult Value Result
     echo   "-----------------------------------------------------------------------------------------"
     printf "|%-10s|%10s|" $pid ${test_type[2]}
         for i in ${color_arry[@]}
         do
             echo $i > "$LED_PATH"/fan_led
             sleep 1
             if [ $? -eq 0 ];then
                 printf "%10s|\033[32m%10s\033[0m|" $i Passed

             else
                  printf "%10s|\033[31m%10s\033[0m|" $i Failed
                  ERROR_COUNT=$[$ERROR_COUNT+1]

                  exit 1
             fi

        done
        printf "\n"
     echo   "-----------------------------------------------------------------------------------------"
 #fan-tray
     printf "Type:${test_type[3]}\n"
     echo   "-----------------------------------------------------------------------------------------"
     printf "|%-10s|%10s|%10s|%10s|%10s|%10s|%10s|%10s|\n" ID Name Value Result Value Restult Value Result
     echo   "-----------------------------------------------------------------------------------------"
     printf "|%-10s|%10s|" $pid ${test_type[3]}

     for j in ${fan_id[*]}
     do
             for i in ${color_arry[*]}
             do
                 echo $i > "$FAN_TRARY_PATH"/fan"$j"_led
                 sleep 1
                 if [ $? -eq 0 ];then
                 printf "%10s|\033[32m%10s\033[0m|" $i Passed

                 else
                  printf "%10s|\033[31m%10s\033[0m|" $i Failed
                  ERROR_COUNT=$[$ERROR_COUNT+1]

                     exit 2
                 fi
             done
      printf "\n"
     j=$[$j+1]
    if [ "$j" = "" ];then
           break

       else

            printf "|%-10s|%10s|" $j ${test_type[3]}
           continue
       fi
     done
         printf "\n"
     echo   "-----------------------------------------------------------------------------------------"
    if [ "$ERROR_COUNT" -eq 0 ];then
        echo -e "All LED test results :--[ \033[32m Passed \033[0m ]"
    else
        echo "All LED test results :--[ \033[31m Failed \033[0m ]"
        echo $ERROR_COUNT
    fi
 }

 if [ $# -lt 1 ];then #判断是否输入至少一个参数
     echo "argument is os few"
     usage
     exit
 fi
 while getopts ":arwd:t:c:h" opt #命令选项结构，：表示选项后面带参数
 do
   case $opt in
 a|all )
     test_mode=all
         ;;
 r|read )
     test_mode=read
         ;;
 w|write )
         test_mode=write
         ;;
 d|device )
         DEVICE_ID=$OPTARG
         ;;
 t|type )
         TYPE=$OPTARG
         ;;
 c|color )
         COLOR=$OPTARG
         ;;
 h|help )
         usage
         exit 0
         ;;
 ?)
       echo "invalid argument:-$OPTARG"
       usage
       exit 1
       ;;

    esac
 done

 if [ "$test_mode" = "all" ];then
       all
 elif [ "$test_mode" = "read" ];then

    check_type
    if [ $? -eq 1 ];then
        echo "type $TYPE not be found"
        exit 1
    fi
   check_device_id
    if [ $? -eq 1 ];then
        echo "device id[:-d] $DEVICE_ID not be found"
        exit 1
    fi
     led_read
 elif [ "$test_mode" = "write" ];then

    check_type
    if [ $? -eq 1 ];then
        echo "type $TYPE not be found"
        exit 1
    fi
   check_device_id
    if [ $? -eq 1 ];then
        echo "device id $DEVICE_ID not be found"
        exit 1
    fi
    check_color_mode
    if [ $? -eq 1 ];then
        echo "not support $COLOR mode"
        exit 1
    fi

    led_write
 else
      echo "unknow option"
 fi