- echo tmux.conf: removing 256 colors
- sed 's/Enable 256 color/Disable 256 color/;
- s/screen-256color/screen/' tmux.conf > tmux.conf.tmp
- mv tmux.conf.tmp tmux.conf
+ echo 'tmux.conf: removing 256 colors'
+ sed_i 's/Enable 256 color/Disable 256 color/;
+ s/screen-256color/screen/' tmux.conf