Pieter Verberne wrote:

quoted text
> How do I rename multiple files at once? I want to rename a list
> of files like:
>
> file.jpg
> file1.jpg
> file_2.jpg
>
> to:
>
> file_thumb.jpg
> file1_thumb.jpg
> file_2_thumb.jpg


for i in *.jpg; do 
    echo mv $i ${i%.jpg}_thumb.jpg
done

# Han