Eskil

        lappend enscriptCmd "--header=$lfile|Page \$% of \$=|$rfile"
        if {$::diff(prettyPrint) != ""} {
            lappend enscriptCmd -E$::diff(prettyPrint)
        }
        lappend enscriptCmd -p $tmpFile2 $tmpFile

        if {[catch {eval exec $enscriptCmd} result]} {
            if {[string index $result 0] != "\["} {
                tk_messageBox -message "Enscript error: $result\ncmd: $enscriptCmd"
                return
            }
        }
    }