Bashの[ -e /home/... ]による確認
[ -e filepath ] Returns true if file exists. [ -x filepath ] Returns true if file exists and executable. [ -S filepath ] Returns true if file exists and its a socket file. [ expr1 -a expr2 ] Returns true if both the expression is true. [ expr1 -o expr2 ] Returns true if either of the expression1 or 2 is true.
