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Shell reads the value of the JSON file

2022-06-28 20:04:00 【51CTO】

json file profile.json

       
       {
       
       "Mysql_IP":
       
       "192.168.1.2,192.168.1.3",
       
       "Mysql_Port":
       
       "3306",
       
       "Mysql_User":
       
       "root"
       
}
      
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get data

       
       # The first pipe removes commas from each line ; Remove the second pipe { and }; The third pipe removes all double quotes ; The fourth pipe replaces the first : by = Number 
       
       data
       
       =
       
       $(cat profile.json | sed -r 
       
       's/",/"/'
       
        | egrep -v 
       
       '^[{}]'
       
        | sed 
       
       's/"//g'
       
        | sed 
       
       's/:/=/1'
       
       )
       
       # If json If there is no newline character in the value of, use the following method to obtain 
       
       #data=`cat data.json |sed 's/,"/\n/g' |grep -v IAM_Server |sed 's/":"/=/g;s/"$//g;s/^{"//g;s/"}//g'`
       
declare 
       
       $data   
       
       # Declare variables 
       
       echo 
       
       $Mysql_Port  
       
       # View variable values 
      
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