Type C-x C-x on your command-line.
By using zplug, it's possible to easily install this:
# Install easy-oneliner (If fzf is already installed)
zplug "b4b4r07/easy-oneliner", if:"which fzf"
# Install easy-oneliner with fzf
zplug "junegunn/fzf-bin", \
as:command, \
file:fzf, \
from:gh-r \
| zplug "b4b4r07/easy-oneliner", if:"which fzf"MIT