Syntax between vendors, does this exist?

For many of us, we have many different brands of routers/switches/etc in our racks/offices/buildings...and knowing the syntax differences between vendors would be awesome, in my opinion.

I found this document, http://h17007.www1.hpe.com/docs/interoperability/Cisco/HP-Networking-and-Cisco-CLI-Reference-Guide_June_10_WW_Eng_ltr.pdf which I am only posting as an example. Please go to page 9 and see the table that shows the provision, comware, and cisco compatible commands.

Now, what if there was a website that had the option to select the brands of gear that you have and you simply type your command(s) and the syntax for all the devices populates on the screen. If there is no match for one of the devices, leave it empty or list n/a.