#include <stdio.h>
#include <math.h>
#include <stddef.h>
#include <stdlib.h>

int main(void)
{

	char in_file[20], out_file[20], file_file[20];
	int c, c1;
	
	FILE *fp_in, *fp_out, *fp_file;
	
	printf("Name of file list: ");
	scanf("%s", &file_file);
	
	fp_file = fopen(file_file, "r");
	
	do{
		fscanf(fp_file, "%s", &in_file);
	} while(strcmp(in_file, "Data:") != 0);
	
	while(fscanf(fp_file, "%s", &in_file) != EOF){
		fp_in = fopen(in_file, "r");
		fp_out = fopen("temp.txt", "w");
		printf("%s\t", in_file);
		
		while((c = fgetc(fp_in)) != EOF){
			if((c != ',') && (c != '\n')) fputc(c, fp_out);
			if(c == ','){ 
				c = '\t';
				fputc(c, fp_out);
			}
			if(c == '\n'){
				fputc(c, fp_out);
				c1 = fgetc(fp_in);
				if((c1 != 0) && (c1 != 10)) fputc(c1, fp_out);
			}	
		}
		
		fclose(fp_in);
		fclose(fp_out);
		
		fp_in = fopen("temp.txt", "r");
		fp_out = fopen(in_file, "w");
		
		while((c = fgetc(fp_in)) != EOF){
			fputc(c, fp_out);
		}
		
		fclose(fp_in);
		fclose(fp_out);
	}
	
	fclose(fp_file);
	
	return 0;
}