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/*
** SPLIT.C - A utility to split large text files into smaller files
**
** public domain by Bob Stout
**
** uses PSPLIT.C from SNIPPETS
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef __TURBOC__
#define FAR far
#else
#define FAR _far
#endif
void psplit(char *, char *, char *, char *, char *);
int main(int argc, char *argv[])
{
long newsize = 32L * 1024L;
size_t seq = 0;
char fname[FILENAME_MAX];
FILE *from;
if (2 > argc)
{
puts("SPLIT big_file [size_in_K]\n");
puts("creates files of the same name, "
"but with numeric extensions");
puts("a maximum file size may be specified for new files");
return EXIT_SUCCESS;
}
if (2 < argc)
{
newsize = atol(argv[2]);
newsize <<= 10;
}
if (NULL == (from = fopen(argv[1], "r")))
{
printf("\aSPLIT: error - can't open %s\n", argv[1]);
return EXIT_FAILURE;
}
psplit(argv[1], NULL, NULL, fname, NULL);
while (!feof(from))
{
char newname[FILENAME_MAX], buf[1024];
FILE *to;
long bytes;
sprintf(newname, "%s.%03d", fname, seq++);
if (NULL == (to = fopen(newname, "w")))
{
printf("\aSPLIT: error - can't write %s\n", newname);
return EXIT_FAILURE;
}
for (bytes = 0L; !feof(from) && (bytes < newsize); )
{
if (fgets(buf, 1023, from))
{
fputs(buf, to);
bytes += (long)strlen(buf);
}
}
fclose(to);
printf("%s written\n", newname);
}
return EXIT_SUCCESS;
}
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