modifying a Plist from command line on Mac using Defaults

Question

Does any one know how to modify a Plist file from command line using defaults? Currently there are two Dictionaries under the URL types array; I n

Answer 1

Open the Info.plist in a text editor to see the actual identifiers.

defaults write Absolute/Path/to/Info.plist CFBundleURLTypes -array-add '
CFBundleTypeRole
Viewer
CFBundleURLName
Mac App Store URL
CFBundleURLSchemes

macappstore

'

pbpaste | pl converts the XML to the old-style format.

defaults write Info.plist CFBundleURLTypes -array-add '{CFBundleTypeRole=Viewer; FBundleURLName="Mac App Store URL";CFBundleURLSchemes=(macappstore);}'