blya228

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <locale.h>
int main()
{
	setlocale(LC_ALL,"Russian");
	system("chcp 1251");
	system("cls");
	char q[]={"йцукенгшщзхъфывапролджэячсмитьбюё"};
	FILE *fp, *fp1;
	int i,j,b,flag=0, colnew=0, col=0;
	char name[]="test1.txt";
	char name1[81];
	char str[81];
	if ((fp=fopen(name,"r"))==NULL)
	{
		printf("imposible to open file\n");
		getchar();
		return 0;
	}
	printf("enter the name of the new file with '.txt'\n");
	gets(name1);
	fp1=fopen(name1,"w");
	while (!feof(fp))
	{
		if(fgets(str,80,fp))
		{
		    col++;
			i=0;
			j=0;
			b=strlen(str);
			//printf("%d",b);
			while (i<b)
			{
				if (strchr(q,str[i])==NULL && str[i]!='\n' && str[i]!='\0')
				{
					str[j]=str[i];
					j++;
					flag=1;
				}
				i++;
			}
			if(j!=0)
			{
            colnew++;
            for(i=j;i<b;i++)
			str[i]='\0';
			fputs(str, fp1);
			fputs("\n", fp1);
			puts(str);
			}
		}
	}
	if(colnew==col)
    {
        fprintf(fp1, "File has not changed\n");
        printf("File has not changed\n");
    }
    if(colnew==0)
    {
        fprintf(fp1, "All lines have been deleted\n");
        printf("All lines have been deleted\n");
    }
	fclose(fp);
	fclose(fp1);
	return 0;
}