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Date: Tue, 16 May 2000 18:00:55 -0500
To: Mark Schoenberg <mark AT emmestech DOT com>,
        "cygwin AT sourceware DOT cygnus DOT com" <cygwin AT hotpop DOT com>
From: "Larry Hall (RFK Partners, Inc)" <lhall AT rfk DOT com>
Subject: Re: Problem with CR-LF sensitivity 
In-Reply-To: <200005162139.RAA07331@gtei2.bellatlantic.net>
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There's also versions of dos2unix out there that will do this same thing.
tr, which comes with the distribution, will allow you to generate a file
without carriage returns, given a file as input with them too.  Both options
do something similar to the program provided below.

Larry


At 04:39 PM 5/16/00, Mark Schoenberg wrote:
>Xandy,
>
>      I too had tremendous problems with the change in the CR/LF paradigm with
>1.1.0 as compared to B20.1.  I wrote a small program, reproduced below, which
>strips the CRs from files and solved most of the problems.  A problem that
>remained for me was that emacs, which I was using, would put CRs in files and
>not tell you.  If you are really interested, I can tell you how to solve the
>emacs problem as well.
>
>      Having struggled, like you, I think it is worthwhile upgrading to 1.1.0.
>If you don't wish to, I found it pretty easy (in Windows 98) to go get rid of
>1.1.0 by going to "Start"/"Programs"/"Cynus Solutions"/"Uninstall Cygwin
>1.1.0".  That seemed to work pretty well.  Believe me, I did it at least twice
>before becoming convinced 1.1 was worth it.  I only succeeded in installing
>1.1.0 when I chose \ as the root directory.  I suspect choosing other root
>directories is possible, but I couldn't figure how to succeed without choosing
>\.
>
>      The program below for stripping CRs won't work for you as is, because it
>uses stuff only I have, like /u/local/include/stdhdr.h and getans, but it
>should be able to be easily modified.  stdhdr.h simply includes the necessary
>system header (.h) files, and getans(a, b) simply gets the answer to question a
>and stores it as string b.
>
>    The only significant aspect to the program is the binary read of an input
>file (note the setmode instruction), and the binary write of an output file of
>all characters except CR, '\015'.
>
>      I am sure there are more sophisticated solutions but this worked for a
>dummy like me.
>
>#include "/u/local/include/stdhdr.h"
>#include <ctype.h>
>
>int fileoncom, argn, f1, f2, n, c;
>FILE *ip,*ip2,*fp,*fopen();
>char filnam[80], outfil[80], buf[1];
>
>main(argc,argv)
>      int argc;
>      char **argv;
>{
>   
>   getans("Input filename?:",filnam);  
>   if ((f1=open(filnam, O_RDONLY, 0)) == -1) {
>     perror("!stripcr2: Can't open input file!");
>     exit (-1);
>   }
>   setmode(f1,O_BINARY);
>
>   getans("Ouput filename?:",outfil);
>   if ((f2=open(outfil, O_CREAT | O_WRONLY | O_TRUNC, 0644)) == -1) {
>     perror("!stripcr2: Can't open output file!");
>     exit (-1);
>   }
>   setmode(f2,O_BINARY);
>
>
>   
>   while ((n = read(f1 ,buf, 1)) > 0) { /* Binary read, 1 char at a time > buf */
>     c = *buf;
>     // printf("MSDEBUG c = %d\n",c);
>     if (c != '\015') write(f2,buf,1);
>   }
>   close(f1);
>   close(f2);
>}
>
>
>
>--
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