Learning the bash Shell, 2nd Edition by Cameron Newham & Bill Rosenblatt Following are the changes made in the 6/99 reprint: {70} Replaced the '(single quotes) with "(double quotes), as follows: MAILPATH="\ /path?Message:\ /path?Message:\ /path?Message" {165} In the code example, 1,/^[]*$/d It now reads: 1,/^[ ]*$/d