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Sebastien
Sebastien

Reputation: 2679

"Console.log" with Photoshop Scripting - ExtendedScript Toolkit

I'm doing a bit of Photoshop scripting for the first time and it sure would be great to have a console.log-like function to output array and object values in the Javascript console of the ExtendScript Toolkit App.

Is there an equivalent function?

Upvotes: 48

Views: 37937

Answers (4)

Daniel Serodio
Daniel Serodio

Reputation: 4506

$.writeln() is what you're looking for. See the JavaScript Tools Guide (PDF) for details.

Upvotes: 71

oelna
oelna

Reputation: 2446

Log to a file instead

I know this is old, but I was recently in need of logging for some values of an InDesign script and I'd like to share my "solution".

My first problem was that I didn't even figure out where the output produced by $.writeln() goes. So I resorted to a crude function that logs to a file in the document directory. Maybe it'll be of use to somebody. I'm guessing this may work for Photoshop or other ExtendScript environments as well.

I learned that ExtendScript does not support JSON methods, so I used a polyfill. Simply put the file (in my case json2.js) in the same directory as your .jsx.

#include "json2.js"; // include polyfill file

function log (input) {
    if(!debug) return;
    if(!JSON || !JSON.stringify) return;

    var now = new Date();
    var output = JSON.stringify(input);

    $.writeln(now.toTimeString() + ": " + output);

    var logFile = File(app.activeDocument.filePath + "/log.txt");
    logFile.open("a");
    logFile.writeln(now.toTimeString() + ": " + output);
    logFile.close();
}

Usage

var debug = true;

log("abc 123");
log([1, 3, 4343, "ddddd", null, false]);

Use the debug variable to quickly enable or disable output.

Upvotes: 2

Cas
Cas

Reputation: 59

I'm using ExtendScript Toolkit version 4.0, and using _print('foo') seems to do the trick.

Upvotes: 4

justingordon
justingordon

Reputation: 12903

write("any message");

Is what works in XTools for Photoshop. I find that the Photoshop debugger crashes all the time in CS6 on Mac OSX.

You can find more about XTools here: http://ps-scripts.sourceforge.net/xtools.html.

It's fabulous!

Upvotes: 1

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