On 24 Nov 2013, at 20:18, Ross Ahmed wrote:
In R.app on Mac OSX, pressing tab after an object name and dollar sign will list all variables contained within that object […] Is it possible to mimic this behaviour in a .R file in TextMate?
Not without writing code to scan your source and produce a list of the variables contained in the object.
Though if you have code to do this, setting up tab to insert that as a completion list (snippet) when tab is pressed and is to the right of an object is fairly simple.