$window-id(5)

NAME

$window-id - Current window identity

$window-id

$window-id retrieves the identity of the current window, this is a integer value (1..n) that is automatically allocated when a window is created using split-window-horizontally(2) or split-window-vertically(2).

The $window-id is guaranteed to be unique and is typically used in macros to locate a previous window.