[kwlug-disc] Sanity check of shell scripting approach

[Mikalai Birukou]

> It would be helpful if you give a short example, like
>     jq .appDomain < file

Example is below in the original message. I guess, I wonder how mixing 
smells to other.

>> Sometimes, while in shell, I want to do manipulations that are simple 
>> in node, and I have no idea how to do in shell. I find myself with 
>> functions like:
>>
>> app_domain_from_manifest() {
>>     local manifest="$1"
>>     node -e "
>>         const m = fs.readFileSync('$manifest', { encoding: 'utf8' });
>>         const appDomain = JSON.parse(m).appDomain.trim();
>>         if (!appDomain) { throw new Error('appDomain field is not a 
>> string'); }
>>         console.log(appDomain);
>>     " || exit $?
>> }
>>
>> Couple of lines passed to node -e.
>>
>> Is it insane?
>>
>> Do you do similar with python?
>>
>> What's your milage?