= GREp  [grep options] { * | file-spec }

        .Same parameter as native cmdline tool except on browse/edit screen.
         *\(currently opend dir) or ^*\(opend dir on the other split
         sceen) notification is avail in file-spec.
        .On browse/edit screen, "*" file-spec parameter is used to
         search in current screen. Flaged line is serached by "F *G".
         On the other case,grep result is saved to temp file "::#go".
         On cmd result screen,::#go is displayed on the screen.
         (Note).grep search on current screen is currentry supported
                only for the grep utility which display lineno on top
                of line with "nnn:" format if -n option specified.
               .On Linux,space embeding path name is troublesome,
                specify like as  ,
                 may fail.