My amusement today consists of two weensy batch files I cooked up for use under MSWin:
select.bat, consisting of just this line:
and openwith.bat, consisting of just this line:
rundll32 shell32.dll,OpenAs_RunDLL %1
The first one opens a directory window on the parent directory of the item named, and highlights the item.
The second one opens a "what do you want to open this file with?" dialogue box.