Dynamic menu. Create a menu from a text input with each item on a new line.
Display a menu of the output of the `ls` command
ls | dmenu
Display a menu with custom items separated by a new line (`\n`)
echo -e "red\ngreen\nblue" | dmenu
Let the user choose between multiple items and save the selected one to a file
echo -e "red\ngreen\nblue" | dmenu > color.txt
Launch dmenu on a specific monitor
ls | dmenu -m 1
Display dmenu at the bottom of the screen
ls | dmenu -b