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!feat: filename as arg input #3

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!feat: filename as arg input #3

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23 changes: 19 additions & 4 deletions src/splitfile.c
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Original file line number Diff line number Diff line change
Expand Up @@ -5,11 +5,10 @@
#define SIZE_LNBUF 255 //line buffer max size
#define SIZE_TXBUF 5000 //text file buffer for each split file

int main() {
int main(int argc, char *argv[]) {
int bufsize = 0;
int runs = 0;

char filename[SIZE_FN] = "";
char lnbuf[SIZE_LNBUF] = "";

char *txbuf = malloc(SIZE_TXBUF); //allocate split file buffer
Expand All @@ -18,8 +17,24 @@ int main() {
return EXIT_FAILURE;
}

printf("Enter file name to be split: ");
scanf("%s", filename);
if (argc < 2)
{
fprintf(
stderr,
"Error: Missing argument. Usage %s <filename>\n", argv[0]
);
return EXIT_FAILURE;
}
else if (argc > 2) {
fprintf(
stderr,
"Error: Too many arguments. Usage %s <filename>\n", argv[0]
);
return EXIT_FAILURE;
}

/* gets file name from argument 1 */
char *filename = argv[1];

FILE *readpoint = fopen(filename, "r"); //open fstream, read input file
if (readpoint == NULL) {
Expand Down