I needed to batch rename some files
brew install rename
To test run it
rename -n -e 's/-.*-/_/' *.png
Remove the -n to perform it
rename -e 's/-.*-/_/' *.png
I wanted to remove the following -portrait
rename -d -portrait *
Thanks to
http://stackoverflow.com/questions/24102974/mac-os-x-terminal-batch-rename
http://superuser.com/questions/398709/mass-remove-file-prefix-on-a-mac