Indeed, each time you open a shell, your
.bashrc is executed. And thus, with your current code, your
PATH will grow indefinitely.
If you only need this change to path for your shell, you can just remove the
export, and let in your
If your need to have this change more global, move your line (and the code defining your
$VRS) to file
~/.profile, but by keeping the
export. This file is only executed at login, not each time your open a shell.
Or even to
/etc/profile if you want this change to be for all users.