Resize product images in Magento2

To resize product images in Magento2,  you just have to add a etc/view.xml into your own theme (f.e. app/design/frontend/Sheldon/Happytheme/etc/view.xml) ans add something like that:

As you can see, you can adapt the image dimensions for each image type available. That works also for self installed image types. The values for width and height are […]

Get a filename only list of files in a folder

To get a list of all files in a folder without path, you can use the following snippet:

Example result:

Prefix files: If you want to prefix files, you can use the same command too:

Example result: