Xin hỏi là "ETX" là ký tự có mã bao nhiêu (trong bảng ASCII). Tôi nghĩ có thể dùng lệnh tr để thay thế nó bằng ký tự \n.
chúc vui On 10/01/2010 08:59 AM, Nguyen Viet Ha wrote: > Chào cả nhà! > > Vẫn tiếp tục việc này, làm thế nào để tìm kiếm và thay thế các > non-printable character trong một file văn bản nhỉ? Ví dụ tôi có 1 > file mà các đoạn kết thúc bằng ký tự ETX (end of text), giờ tôi > muốn thêm \n vào sau ký tự ETX (end of text) thì thế nào nhỉ. > > Hơi vụn vặt một tí :) Cảm ơn cả nhà. > > > > > > > 2010/9/30 MinhHoang To <[email protected]> > >> Ah ve viec co dong trang o dau thi minh thay cai PATTERN no co them cai lua >> chon OFFSET >> >> >> Read standard input if FILE is -. Each PATTERN may be: >> >> INTEGER >> copy up to but not including specified line number >> >> /REGEXP/[OFFSET] >> copy up to but not including a matching line >> >> %REGEXP%[OFFSET] >> skip to, but not including a matching line >> >> {INTEGER} >> repeat the previous pattern specified number of times >> >> {*} repeat the previous pattern as many times as possible >> >> A line OFFSET is a required `+' or `-' followed by a positive >> integer. >> >> >> >> 2010/9/30 MinhHoang To <[email protected]> >> >>> >>> csplit [OPTION]... FILE PATTERN... >>> >>> >>> >>> Cai regular expression cho 1 blank line ( cai PATTERN trong truong hop nay >>> ) thi dung nhu cai parameter ban Bao danh vao >>> >>> http://www.faqs.org/docs/abs/HTML/regexp.html >>> >>> >>> -- >>> Minh Hoang TO >>> eXoPlatform SAS, tang 8, building 18, Thai Ha, Ha Noi >>> >> >> >> >> -- >> Minh Hoang TO >> eXoPlatform SAS, tang 8, building 18, Thai Ha, Ha Noi >> >> _______________________________________________ >> POST RULES : http://wiki.hanoilug.org/hanoilug:mailing_list_guidelines >> _______________________________________________ >> HanoiLUG mailing lists: http://lists.hanoilug.org/ >> HanoiLUG wiki: http://wiki.hanoilug.org/ >> HanoiLUG blog: http://blog.hanoilug.org/ >> > > > > _______________________________________________ > POST RULES : http://wiki.hanoilug.org/hanoilug:mailing_list_guidelines > _______________________________________________ > HanoiLUG mailing lists: http://lists.hanoilug.org/ > HanoiLUG wiki: http://wiki.hanoilug.org/ > HanoiLUG blog: http://blog.hanoilug.org/ _______________________________________________ POST RULES : http://wiki.hanoilug.org/hanoilug:mailing_list_guidelines _______________________________________________ HanoiLUG mailing lists: http://lists.hanoilug.org/ HanoiLUG wiki: http://wiki.hanoilug.org/ HanoiLUG blog: http://blog.hanoilug.org/
