Category : Word Processors
Archive   : ADDCR.ZIP
Filename : ADDCR.C

/*
* A very simple UNIX->DOS file conversion program. Only adds
* CR characters before the LF character which is already there,
* nothing else.
*
* Works from a file list. If linked with the SETARGV.OBJ file
* from the Microsoft compiler, wildcards in the file list will
* be expanded. There is a test for file names which contain
* '?' or '*'. This happens if there are no files matching the
* wildcard.
*
* The "extra" code for looking at CR characters prevents the
* program from mindlessly adding another CR to the CR/LF pair
* in a file which is already in DOS format. This is useful
* if you use a wildcard which accidently includes both DOS
* files and UNIX files.
*
* This code is placed in the public domain.
*
* Ken Brown
*
*/

#include
#include

main(argc,argv)
int argc;
char *argv[];
{
int counter;
int c;
char *out_file_name = NULL;
FILE *infile,
*outfile;


if(argc < 2) {
printf("syntax: addcr file1 [file2 ...] (wild cards allowed)\n");
exit(1);
}
for(counter = 1; counter < argc; counter++) {
if(strchr(argv[counter],'?') != NULL) {
continue;
}
if(strchr(argv[counter],'*') != NULL) {
continue;
}
out_file_name = "tmXXXXXX";
mktemp(out_file_name);
if((outfile=fopen(out_file_name,"wb")) == NULL) {
printf("can not open %s\n",out_file_name);
continue;
}
if((infile=fopen(argv[counter],"rb"))==NULL) {
printf("can not find %s\n",argv[1]);
continue;
}
if(argc > 2) {
printf("%s\n",argv[counter]);
}
while((c=getc(infile))!=EOF) {
if(c == '\r') {
if((c=getc(infile))==EOF) {
putc('\r',outfile);
break;
}
if(c == '\n') {
putc('\r',outfile);
putc('\n',outfile);
continue;
}
else {
putc('\r',outfile);
putc(c,outfile);
continue;
}
}
if(c=='\n') {
putc('\r',outfile);
putc('\n',outfile);
}
else {
putc(c,outfile);
}
}
fclose(infile);
fclose(outfile);

unlink(argv[counter]);
rename(out_file_name,argv[counter]);
}
}