How to copy guides in illustrator

Last week one of our intern designers asked me if there was any way to copy and paste adobe Photoshop guides from one Photoshop document to another.

I answered: sure, I will try it and get back to you, but the easy way is to save a template with guides and use it every time you start a new file for that size.

She replied: I know but I want to use it to fix the alignment in existing files not new ones; and copying layers to a new file for every image takes much time!

and I already found a video talking about that, but in the video they are using some codes and I didn't know what to do!

After some research I didn't find a way to achieve that so I watched the video she mentioned before (Video Link) , they are using a script to copy and paste guides so I downloaded the script file and added it to the adobe Photoshop scripts folder and tried it as it shows in the video but it didn't work!

So I opened the script and started reading an

can you copy guides in photoshop

how to copy guides in photoshop