hush: syntax error: unterminated ${name} 0 0 ==== _ hush: 1: parameter null or not set hush: 1: parameter null or not set hush: 1: message1 hush: 1: message1 hush: 1: unset! hush: 1: null or unset! ==== _aaaa _aaaa _aaaa _aaaa _aaaa _aaaa _aaaa ==== _ hush: f: parameter null or not set hush: f: parameter null or not set hush: f: message3 hush: f: message3 hush: f: unset! hush: f: null or unset! ==== _ _ hush: f: parameter null or not set _ hush: f: message4 _ hush: f: null or unset! ==== _fff _fff _fff _fff _fff _fff _fff