Obtaining result of process.exec() in SilkJS.

[Eric Dykstra]

Hey everyone,

Let's say I have the following SilkJS script;

------------------------------------

#!/usr/local/bin/silkjs

// Some includes ....

function main() {

    var result = true;

    // Some code - that often writes to stdout on error.

    if(there was an error) {

        result = false;

    };

    return result;

}

--------------------------------------

Now, let's say I execute that script from SilkJS with;

var success = process.exec('path/to/the/above/script');

Then, the variable success will contain a string of all the stdout text, and the result.

How do I ONLY get the result back to the SilkJS program that executed the above script?

Thanks,

Eric

[Michael Schwartz]

The function process.exec_result() returns the return code of the last process.exec() call.  That is, if the program run by process.exec() exits with a value of 125, then process.exec_result() returns 25.

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[Eric Dykstra]

Mike,

It is always returning 0.

Calling program code segment:

    var command = mPath + '/' + mFileName;

    console.log('command = |' + command + '|');

    process.exec(command);          

    console.log('exec_result = ' + process.exec_result());

Script it is executing:

#!/usr/local/bin/silkjs

function main() {

    return 999;

}; 

Output in console:

command = |/var/www/app/data/migrations/20130414132514296_This_Is_A_True_False_Test.js|

exec_result = 0

What am I doing wrong?

Eric

[Michael Schwartz]

function main() {

  process.exit(999);

}

You can file an issue on github about the C++ main not exiting with the return value of the JavaScript main()