VLC is the VideoLAN Client media player. It plays almost any kind of media you can find, and runs on Mac, Linux, and Windows.

# Set which version we're going to download.
VLC_VERSION='2.0.7'
 
# Download the latest DMG file.
wget "http://get.videolan.org/vlc/$VLC_VERSION/macosx/vlc-$VLC_VERSION.dmg"
 
# Open the DMG file.
hdiutil attach "vlc-$VLC_VERSION.dmg"
 
# Copy the app file into the Applications folder.
cp -a /Volumes/vlc-$VLC_VERSION/VLC.app /Applications/
 
# Unmount the DMG file.
hdiutil detach /Volumes/vlc-$VLC_VERSION
 
# Remove the file we downloaded.
rm "vlc-$VLC_VERSION.dmg"