Batch from directory - incorrect sufix

[YegorTsyba]

I created folder with images named:
img-0000.png
img-0001.png
img-0002.png
..etc.
But output looks like this:
img-0000-0000.png
img-0001-0000.png
img-0002-0000.png
...
Seems need to fix.

[Hugo Alberto Rada Hernández]

Referencia