type a.txt|mshta "javascript:clipboardData.setData('text',new ActiveXObject('Scripting.FileSystemObject').GetStandardStream(0).ReadAll().split('\r\n')[1]);close()"
type a.txt|mshta "javascript:clipboardData.setData('text',new ActiveXObject('Scripting.FileSystemObject').GetStandardStream(0).ReadAll().split('\r\n')[%n%]);close()"