: How do you create custom scripts for automation in Photoshop? I have been recording custom actions to perform various automations, though I am starting to require greater control which would be

@Lengel450

Adobe products allow you to use AppleScript, JavaScript, or VBScript to create scripts. Functionally, ExtendScript is very similar to JavaScript - think of it as JavaScript plus some extra features.

Adobe provides a program to make scripts called ExtendScript Toolkit, which was most likely bundled with your install of Photoshop. On my computer it's in C:Program FilesAdobeAdobe Utilities - CS5ExtendScript Toolkit CS5. You can use that or a program as basic as Notepad to create scripts (I use Notepad++), which you then save into C:Program FilesAdobeAdobe Photoshop CS5PresetsScripts or the equivalent PresetsScripts folder on the Mac. In Photoshop, go to File > Scripts to find your script and run it.

Adobe's documentation is a good place to start. They have basic guides to get you started, from "Hello World" on up, and then they have more in-depth tutorial PDFs by language and version.

Sometimes, it's nice to interact with ExtendScript Toolkit's Object Model Viewer (Click Help up top, then Object Model Viewer to access it). You'll also find a link to the JavaScript Tools Guide in the Help menu...that gets you some more help with JS functions like the XML Object that are common to all CS products.

If you're looking for help online, the Adobe forums are the most populated. You can also try over on Stack Overflow, but the ExtendScript help tends to be spotty.

If you want help working with ScriptUI, Peter Kahrel's publication on it is really informative and helpful, more so than Adobe's documentation on the subject in my opinion.

If you've learned JavaScript or another language by lots of Internet searching, you'll find scripting Adobe to be a bit more challenging since it's not as common and sometimes you'll find yourself struggling to understand Adobe's documentation. But ExtendScript is really powerful and if you can get it, you'll be able to do a lot of neat things with it.

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