새싹교실/2020/새싹부터나무까지/박소은/실습/20.11.06

#include <stdio.h>
#include <string.h>
#pragma warning (disable: 4996)

int main(void)
{
	FILE* pFile1, * pFile2;
	pFile1 = fopen("data.txt", "r");
	pFile2 = fopen("new.txt", "w");

	char s[100];
	if (pFile1 == NULL) perror("오류");
	else
	{
		while (!feof(pFile1))
		{
			fgets(s, sizeof(s), pFile1);
			fputs(s, pFile2);
		}
	}

	fclose(pFile1);
	fclose(pFile2);
	return 0;
}

#include <stdio.h>
#include <string.h>
#pragma warning (disable: 4996)

int main(void)
{
	FILE* pFile;
	pFile = fopen("data.txt", "r");
	char str[100][100] = { NULL };
	int i = 0;
	if (pFile == NULL) perror("오류");
	else
	{
		while (!feof(pFile))
		{
			fgets(str[i], sizeof(str) / sizeof(str[0]), pFile);
			i++;
		}
	}
	fclose(pFile);

	pFile = fopen("new.txt", "w");
	i = 0;
	if (pFile == NULL) perror("오류");
	else
	{
		while (str[i][0] != NULL)
		{
			fputs(str[i], pFile);
			i++;
		}
	}
	fclose(pFile);
	return 0;
}