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/* Mangle a berkley mbox
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
void Process(FILE *fp, const char *p);
int main(int argc, char *argv[])
{
int f;
if (argc==1)
Process(stdin,"stdin");
else
for(f=1;f<argc;f++)
Process(fopen(argv[f],"r"),argv[f]);
return EXIT_SUCCESS;
}
void Quit(const char *p)
{
perror(p);
exit(EXIT_FAILURE);
}
void Process(FILE *fp, const char *p)
{
FILE *out=NULL;
char buff[1024];
char fn[80];
int n=1;
printf("Processing : %s\n",p);
if (!fp)
Quit("fopen");
sprintf(fn,"%s.dir",p);
if (mkdir(fn,0777)==-1)
Quit("mkdir");
while(fgets(buff,sizeof buff,fp))
{
if (strncmp(buff,"From ",5)==0)
{
if (out)
fclose(out);
sprintf(fn,"%s.dir/%d.txt",p,n++);
printf("Creating : %s\n",fn);
if (!(out=fopen(fn,"w")))
Quit("fopen");
}
fprintf(out,"%s",buff);
}
fclose(out);
fclose(fp);
}
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