Date: Sat, 28 Oct 2006 04:18:57 +0300 From: Tsampros Leonidas <ltsampros@upnet.gr> To: Jerry McAllister <jerrymc@msu.edu> Cc: Noah <admin2@enabled.com>, freebsd-questions@freebsd.org Subject: Re: replacing ^M with emacs Message-ID: <20061028011857.GA31746@biftekaki.lan> In-Reply-To: <20061027213034.GD98266@gizmo.acns.msu.edu> References: <45425D61.6030209@enabled.com> <20061027213034.GD98266@gizmo.acns.msu.edu>
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On Fri, Oct 27, 2006 at 05:30:34PM -0400, Jerry McAllister wrote: > On Fri, Oct 27, 2006 at 12:26:25PM -0700, Noah wrote: > > > Hi there, > > > > It appears that a text editor placed a bunch on ^M throughout a text > > file I am working with. I assure this is equivalent to eh keystroke > > control-M. > > This is probably "MS-DOS" type text file. MS text file lines > all end in a CR-LF character pair whereas UNIX text file lines > have only a LF (line feed) and the end of each line. > All text editors on MS systems do that and if you do a binary transfer > of a file from MS to UNIX you will get all the extra ^M characters > showing up. most versions of ftp have an ASCII mode that will > do the conversion for you as you transfer the file back and forth > between MS and UNIX. I think SCP only does binary transfers. > > I am not an Emacs user, but, > You can easily use tr(1) to remove all the ^M characters from a > file. tr -r "\r" <badfile >goodfile > where badfile is the one with the ^M characters and goodfile is > the newly cleaned copy. The only anoying thing is having to > write to a second file and then get rid of the first or mv the > new one back to the old (as in: mv goodfile badfile after doing > the tr. > > ////jerry > I think there is something similar in emacs by using the set-buffer-file-coding-system (binded at C-x RET f in default configurations). So to "cure" and succesfully "convert" DOS files into unix format, i use C-x RET f unix RET.
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