improved tmux hack command

gistfile1.sh

hack () {
    local dir=$(find ~/git '(' '(' -name .git -or -name .build ')' -prune -false ')' -or -iname $1 -type d)
    if [[ -n $dir && -d $dir ]]; then
        tmux new-window -c $dir -n $(basename $dir)
    elif [[ -n $dir ]]; then
        local count=$(echo $dir | wc -w)
        echo $1 ambiguous: $count matches
    else
        echo "$1 not found"
    fi
}