tmux_wrapper

#!/bin/bash

swap() {
    tmux swap-pane -s $1 -t $2
    tmux select-pane -t $1
}
get_id() {
    echo $(tmux run "echo #{pane_id}")
}
swap_vert() {
    src_id=$(get_id)
    tmux select-pane -U
    dst_id=$(get_id)
    tmux select-pane -D

    swap "$src_id" "$dst_id"
}

swap_horz() {
    src_id=$(get_id)
    tmux select-pane -R
    dst_id=$(get_id)
    tmux select-pane -L

    swap $src_id $dst_id
}


case "$1" in
    up|down)
        swap_vert
        ;;
    left|right)
        swap_horz
        ;;
    *)
        echo "Usage:"
        echo "$(basename $0) <up|down|left|right>"
esac