【Shell】shellスクリプトjson内のフィールドの値を変更する

{
  "name": "the_name",
  "id": "132869",
  "content_url": "https://hot.example.com/",
  "enable_feature1": "true",
  "enable_feature2": "false"
}

#!bin/bash
content_url_new="https://hot1.example.com/"
enable_feature1_new="true"
enable_feature2_new="true"

#!bin/bash
content_url_new="https://hot2.example.com/"
enable_feature1_new="false"
enable_feature2_new="false"

#!bin/bash

if [ "$1" != "mode1" -a "$1" != "mode2" ];then
    echo "tip:─┬───────        ，   ：" 
    echo "     │─────── 'mode1',   config/mode1.sh   "
    echo "     └─────── 'mode2',   config/mode2.sh   "
    exit 0
fi

case $1 in
mode1) 
    . config/mode1.sh
;;
mode2) 
    . config/mode2.sh
;;
*)
    echo "Usage: sh main.sh [mode1|mode2]"
    exit;
esac

#               ，       
content_url_old=$(awk -F"\"" '/content_url/{print $4}' example.json)
sed -e "s@$content_url_old@$content_url_new@g" -i example.json


#                ，           。（  ，              ）
enable_feature1_line=$(awk -F"\"" '/enable_feature1/{print NR}' example.json) #     
enable_feature1_old=$(awk -F"\"" '/enable_feature1/{print $4}' example.json)  #      
sed -e "$enable_feature1_line s@$enable_feature1_old@$enable_feature1_new@" -i example.json #          

enable_feature2_line=$(awk -F"\"" '/enable_feature2/{print NR}' example.json) #     
enable_feature2_old=$(awk -F"\"" '/enable_feature2/{print $4}' example.json)  #      
sed -e "$enable_feature2_line s@$enable_feature2_old@$enable_feature2_new@" -i example.json #          

sh main.sh mode1
sh main.sh mode2

sed -i  's/\("enable_feature1":"\).*/\1'"$enable_feature1_to"'",/g'   example.json