aliases to open new panes/windows in the current dir
can still pass through other options eg :swc -h
.tmux.conf
set -s command-alias[100] 'swc=split-window -c "#{pane_current_path}"'
set -s command-alias[99] 'nwc=new-window -c "#{pane_current_path}"'
https://github.com/tmux/tmux/wiki/Advanced-Use#command-aliases