![]() If you explain exactly how we are supposed to know what string to extract, I could give you a more targeted answer. Print the longest stretch of non-whitespace after the string "select\n: $ jq '."$quer"."args"' file.json | grep -oP '"select ![]() Skip lines starting with and then print the second word of the remaining lines: $ jq '."$quer"."args"' file.json | awk '/^/' So, depending on what you actually want, you could do: (For example, a radix of 10 converts from a decimal number, 8 converts from octal, 16 from hexadecimal, and so on. If not NaN, the return value will be the integer that is the first argument taken as a number in the specified radix. ![]() Code: /bin/bash read -p 'Enter first number: ' num1 read -p 'Enter second number: ' num2 I know you can use the the 'expr' or 'bc' command to automatically convert the string to a number then add them together. I don't know how you want to identify your target string, you didn't explain that. The parseInt function converts its first argument to a string, parses that string, then returns an integer or NaN. Convert a String to a Number I read in two numbers from a user but the number is a string. error in most implementations because the JavaScript parser converts the strings tab. "select\n db1.table1 as tab1,\n db1.table2 as tab2,\n db1.table3 as tab3\n from db1.table4 as tab4"įrom here, you no longer have structured data and you need to resort to cruder methods. parseJSON( json )Returns: String or Number or Object or Array or. In your case, you would want to extract the value of the first element of the array args which is itself the first element of the top level array args, the child of the top level hash $quer: $ jq '."$quer"."args"' file.json Since you have a json file, it is safer and simpler to use a dedicated json parser. Tip: For an example action using this filter, refer to ZIS action: Converting a number to a string. The following expression changes the ticket id value to a string. be able to do with -query, you can consider jq, a command line JSON processor. const quantity '10.5' console. yaml-stream The output is streamed and formatted as a YAML string. JavaScript is converting our string value to a number and then performing that mathematical operation. Instead of multiplying by 1, you can also divide the string by 1. You should generally avoid using generic text parsing tools for structured data. Use the tostring filter to convert a non-string value to a string. How to convert a string to a number in JavaScript by dividing the string by the number 1.
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