interactive tmux resize-pane

.tmux.conf

# resize pane
# take a look at `-i` option of command-prompt
bind R command-prompt -i -p 'resize-pane' 'run-shell "~/.scripts/:resize %%"'

:resize

#!/bin/sh


interactive() {
    while read -r -s -n 1 op; do
        case $op in
            h)
                tmux resize-pane -L 10
                ;;
            j)
                tmux resize-pane -D 5
                ;;
            k)
                tmux resize-pane -U 5
                ;;
            l)
                tmux resize-pane -R 10
                ;;
            q|$'\e')
                break
                ;;
            *)
                >&2 echo "unsupported $op"
                ;;
        esac
    done
}

oneshot() {
    # support `tmux command-prompt -i`
    case "$1" in
        *h)
            tmux resize-pane -L 10
            ;;
        *j)
            tmux resize-pane -D 5
            ;;
        *k)
            tmux resize-pane -U 5
            ;;
        *l)
            tmux resize-pane -R 10
            ;;
        *=|*)
            ;;
    esac
}


case "$1" in
    -i)
        interactive
        ;;
    *)
        oneshot "$@"
        ;;
esac