How to extract a JSON value from a bash script?

How to extract a JSON value from a bash script?

A bash script which demonstrates parsing a JSON string to extract a property value. The script contains a jsonval function which operates on two variables, json and prop. When the script is passed the name of a twitter user it attempts to download the user’s profile picture.

How to find key-value in JSON in bash script?

I’m trying to write a bash script with make s curl call and get a json document back. The json document has a key called access_token and I need to extract the value of this field. This is my json document I don’t have jq installed. You shouldn’t parse json without a json parser.

Is there a way to read JSON from Bash?

Here is a crude way to do it: Transform JSON into bash variables to eval them. Well, yes, it uses PERL to do this job, thanks to CPAN, but is small enough for inclusion directly into a script and hence is quick and easy to debug:

How to select all children of addons in Bash?

Select all name children of a addons: The underscore-cli provide others real world examples as well as the json:select () doc. Similarly using Bash regexp. Shall be able to snatch any key/value pair. Regular expression can be tuned to match multiple spaces/tabs or newline (s). Wouldn’t work if value has embedded “. This is an illustration.

How to parse JSON response and extract the key from it in shell script?

If the key is success, then I will print a message “success” and print $DATA value and exit out of the shell script with zero status code but if the key is error, then I will print “error” and print $DATA value and exit out of the shell script with non zero status code. How can I parse json response and extract the key from it in shell script?

How to extract a value from JSON response?

With recent versions of the ksh93 shell ( v- or above): Or use the widely available (though generally not installed by default) jq json processor tool: Thanks for contributing an answer to Unix & Linux Stack Exchange! Please be sure to answer the question.

How to parse JSON data in PowerShell script?

If we want this data to be more usable we can parse the response directly using ConvertFrom-JSON: