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/* @source noreturn application
**
** Remove trailing carriage returns from otherwise ASCII files
**
** @author Copyright (C) Alan Bleasby (ableasby@hgmp.mrc.ac.uk)
** @@
**
** This program is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License
** as published by the Free Software Foundation; either version 2
** of the License, or (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
******************************************************************************/
#include "emboss.h"
/* @prog noreturn *************************************************************
**
** Removes carriage return from ASCII files
**
******************************************************************************/
int main(int argc, char **argv)
{
AjPFile inf = NULL;
AjPFile outf = NULL;
AjPStr line = NULL;
ajint len;
ajint i;
char *p;
ajint iline=0;
AjPStr osystem = NULL;
AjBool pcoutput = ajFalse;
AjBool macoutput = ajFalse;
embInit("noreturn", argc, argv);
inf = ajAcdGetInfile("infile");
outf = ajAcdGetOutfile("outfile");
osystem = ajAcdGetListSingle("system");
if(ajStrMatchC(osystem, "pc"))
pcoutput = ajTrue;
if(ajStrMatchC(osystem, "mac"))
macoutput = ajTrue;
line = ajStrNew();
ajDebug("Characters \\n %%%02x \\r %%%02x\n", '\n', '\r');
while(ajReadlineTrim(inf,&line))
{
iline++;
p = MAJSTRGETPTR(line);
len = ajStrGetLen(line);
if(len)
{
ajDebug("line %d: Length %d\n", iline, len);
if(p[len-1] == 0x0a)
{
ajDebug("line %d: newline at end removed\n", iline);
p[len-1] = 0x00;
len--;
if(len && p[len-1] == 0x0d)
{
ajDebug("line %d: return at end removed\n", iline);
p[len-1] = 0x00;
}
}
/* for files with 0d but no newline, (e.g. from Macintosh sources)
** there's everything in one line
** so replace the rest directly
*/
if(!macoutput)
{
for(i=0;i<len;i++)
{
if(p[i] == 0x0d)
{
p[i] = 0x0a;
ajDebug("line %d: return inserted at position %d\n",
iline, i);
}
}
}
}
if (pcoutput)
ajFmtPrintF(outf,"%s\r\n",p);
else if (macoutput)
ajFmtPrintF(outf,"%s\r",p);
else
ajFmtPrintF(outf,"%s\n",p);
}
ajStrDel(&line);
ajStrDel(&osystem);
ajFileClose(&inf);
ajFileClose(&outf);
embExit();
return 0;
}
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