tmux text to fzf to clipboard

#!/bin/bash
######################################################################
#Copyright (C) 2020  Kris Occhipinti
#https://filmsbykris.com

#makes screen text in tmux searchable and copeis selection to clipboard

#This program is free software: you can redistribute it and/or modify
#it under the terms of the GNU General Public License as published by
#the Free Software Foundation, either version 3 of the License, or
#(at your option) any later version.

#This program is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#GNU General Public License for more details.

#You should have received a copy of the GNU General Public License
#along with this program.  If not, see <http://www.gnu.org/licenses/>.
######################################################################

fzf_cmd() {
  #fzf-tmux -d 35% --multi --exit-0 --cycle --reverse --bind='ctrl-r:toggle-all' --bind='ctrl-s:toggle-sort' --no-preview
  #fzf-tmux --multi --exit-0 --no-preview
  fzf-tmux -m
}

function buffer(){
  #tmux capture-pane -eJ
  tmux capture-pane
  buffer="$(tmux show-buffer)"

  echo -e "$buffer"
  echo -e "$buffer"|tr " " "\n"
}

b=$(buffer)
selection="$(buffer|fzf_cmd)"
echo -n "$selection"|xclip
echo -n "$selection"|xclip -selection clipboard