Lerbytech · December 11, 2017 03:02 · Lerbytech · Dec 11, 2017
diff --git a/filesplitter.c b/filesplitter.c
 //
 // 5
 #include<stdio.h>
 #include<stdlib.h>
 #include<string.h>

 int main(int argc, char *argv[])
 {
 	//in_file.txt -n 10 -b base_
 	
 	// Check
 	if (argc != 6)
 	{
 		printf("ERROR! wrong number of arguments!");
 	}

 	int is_key_n = 0;
 	int is_key_b = 0;
 	int is_key_s = 0;

 	for (int i = 0; i < argc; i++)
 	{
 		if (strcmp(argv[i], "-n") == 0) is_key_n++;
 		if (strcmp(argv[i], "-b") == 0) is_key_b++;
 		if (strcmp(argv[i], "-s") == 0) is_key_s++;
 	}

 	if (is_key_n != 0 && is_key_s != 0) {
 		printf("ERROR! -s and -n are in input"); return 0;
 	}
 	if (is_key_n == 0 && is_key_s == 0)
 	{
 		printf("ERROR! -s and -n are not found");
 		return 0;
 	}
 	if (is_key_n > 1 || is_key_s > 1)
 	{
 		printf("ERROR! too many -s or -n");
 		return 0;
 	}
 	if (is_key_b != 1)
 	{
 		printf("ERROR! -b not found or something else");
 		return 0;
 	}
 	
 	//---
 	//vars
 	char input_filename[100];
 	char out_filename[100];
 	char digit_buffer[12];
 	char base[50];
 	
 	FILE *IN_ptrFile; // IN
 	FILE *OUT_ptrFile; //OUT
 	
 	//------
 	strcpy(input_filename, argv[1]);
 	strcpy(base, argv[ argc - 1 ]);
 	
 	fopen_s(&IN_ptrFile, input_filename, "rb");

 	// length
 	fseek(IN_ptrFile, 0, SEEK_END);
 	long lSize = ftell(IN_ptrFile);
 	fseek(IN_ptrFile, 0, SEEK_SET);

 	//bufsize calculate
 	long bufSize;
 	int N;
 	if (is_key_n)
 	{
 		for (int i = 0; i < argc; i++)
 			if (strcmp(argv[i], "-n") == 0)
 			{
 				N = atoi(argv[i + 1]);
 				bufSize = lSize / N;
 				break;
 			}
 	}
 	else
 	{
 		for (int i = 0; i < argc; i++)
 			if (strcmp(argv[i], "-s") == 0)
 			{
 				bufSize = atoi(argv[i + 1]);
 				N = lSize / bufSize;
 				break;
 			}
 	}
 	char *buffer = (char*)malloc(sizeof(char) * bufSize);

 	// PROCESS
 	//-------------
 	for (int i = 0; i < N; i++)
 	{		
 		strcpy(out_filename, base); // filename1 = base;
 		sprintf_s(digit_buffer, "%d", i); // 2 -> "2"
 		strcat(out_filename, digit_buffer);
 		strcat(out_filename, ext);

 		fopen_s(&OUT_ptrFile, out_filename, "wb");
 		fread(buffer, 1, bufSize, IN_ptrFile);
 		fwrite(buffer, 1, bufSize, OUT_ptrFile);
 		fclose(OUT_ptrFile);

 		fseek(IN_ptrFile, bufSize, SEEK_CUR);
 	}

 	long finalSize = lSize - bufSize * N;
 	buffer = (char*)malloc(finalSize);
 	if (finalSize > 0)
 	{
 		strcpy(out_filename, base);
 		sprintf_s(digit_buffer, "%d", N + 1);
 		strcat(out_filename, digit_buffer);
 		strcat(out_filename, ext);

 		fopen_s(&OUT_ptrFile, out_filename, "wb");
 		fread(buffer, 1, finalSize, IN_ptrFile);
 		fwrite(buffer, 1, finalSize, OUT_ptrFile);

 		fclose(OUT_ptrFile);
 	}

 	free(buffer);
 	fclose(IN_ptrFile);
 	printf("FINISHED!\n");
 	return 0;
 }
	//
	// 5
	#include<stdio.h>
	#include<stdlib.h>
	#include<string.h>

	int main(int argc, char *argv[])
	{
	//in_file.txt -n 10 -b base_

	// Check
	if (argc != 6)
	{
	printf("ERROR! wrong number of arguments!");
	}

	int is_key_n = 0;
	int is_key_b = 0;
	int is_key_s = 0;

	for (int i = 0; i < argc; i++)
	{
	if (strcmp(argv[i], "-n") == 0) is_key_n++;
	if (strcmp(argv[i], "-b") == 0) is_key_b++;
	if (strcmp(argv[i], "-s") == 0) is_key_s++;
	}

	if (is_key_n != 0 && is_key_s != 0) {
	printf("ERROR! -s and -n are in input"); return 0;
	}
	if (is_key_n == 0 && is_key_s == 0)
	{
	printf("ERROR! -s and -n are not found");
	return 0;
	}
	if (is_key_n > 1 \|\| is_key_s > 1)
	{
	printf("ERROR! too many -s or -n");
	return 0;
	}
	if (is_key_b != 1)
	{
	printf("ERROR! -b not found or something else");
	return 0;
	}

	//---
	//vars
	char input_filename[100];
	char out_filename[100];
	char digit_buffer[12];
	char base[50];

	FILE *IN_ptrFile; // IN
	FILE *OUT_ptrFile; //OUT

	//------
	strcpy(input_filename, argv[1]);
	strcpy(base, argv[ argc - 1 ]);

	fopen_s(&IN_ptrFile, input_filename, "rb");

	// length
	fseek(IN_ptrFile, 0, SEEK_END);
	long lSize = ftell(IN_ptrFile);
	fseek(IN_ptrFile, 0, SEEK_SET);

	//bufsize calculate
	long bufSize;
	int N;
	if (is_key_n)
	{
	for (int i = 0; i < argc; i++)
	if (strcmp(argv[i], "-n") == 0)
	{
	N = atoi(argv[i + 1]);
	bufSize = lSize / N;
	break;
	}
	}
	else
	{
	for (int i = 0; i < argc; i++)
	if (strcmp(argv[i], "-s") == 0)
	{
	bufSize = atoi(argv[i + 1]);
	N = lSize / bufSize;
	break;
	}
	}
	char buffer = (char)malloc(sizeof(char) * bufSize);

	// PROCESS
	//-------------
	for (int i = 0; i < N; i++)
	{
	strcpy(out_filename, base); // filename1 = base;
	sprintf_s(digit_buffer, "%d", i); // 2 -> "2"
	strcat(out_filename, digit_buffer);
	strcat(out_filename, ext);

	fopen_s(&OUT_ptrFile, out_filename, "wb");
	fread(buffer, 1, bufSize, IN_ptrFile);
	fwrite(buffer, 1, bufSize, OUT_ptrFile);
	fclose(OUT_ptrFile);

	fseek(IN_ptrFile, bufSize, SEEK_CUR);
	}

	long finalSize = lSize - bufSize * N;
	buffer = (char*)malloc(finalSize);
	if (finalSize > 0)
	{
	strcpy(out_filename, base);
	sprintf_s(digit_buffer, "%d", N + 1);
	strcat(out_filename, digit_buffer);
	strcat(out_filename, ext);

	fopen_s(&OUT_ptrFile, out_filename, "wb");
	fread(buffer, 1, finalSize, IN_ptrFile);
	fwrite(buffer, 1, finalSize, OUT_ptrFile);

	fclose(OUT_ptrFile);
	}

	free(buffer);
	fclose(IN_ptrFile);
	printf("FINISHED!\n");
	return 0;
	}