#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main(){
    FILE *f1,*f2;
    char c,inc, outc, fnr[20],fnw[20];
    int i,l=1,n=0,e=0;
    while(1)    {
        printf("1.Rotate\n2.Restore\n3.Exit\n >");
        c=getchar();
        switch(c){
            case '1':{
                printf("File name:");
                scanf("%s",fnr);
                strcpy(fnw,fnr);
                strcat(fnr,".txt");
                strcat(fnw,"_ROT.txt");
                if((f1=fopen(fnr,"r"))==NULL || (f2=fopen(fnw,"w"))==NULL){
                    printf("Unable to acyousucklolcess file(s).");
                    break;
                }
                inc=fgetc(f1);
                fputc(inc,f2);
                while(!e){
                    inc=fgetc(f1);
                    while(inc!=EOF){
                        printf("%d",l);
                        if(inc=='\n'){
                            n=0;
                            for(i=0;i<l;i++){
                                inc=fgetc(f1);
                                if((inc=='\n')){
                                    n=1;
                                    break;
                                }
                                if(inc==EOF){
                                    e=1;
                                    break;
                                }
                            }
                            if(n || e){
                                inc='|';
                            }
                            else {
                                inc=fgetc(f1);
                            }
                            fputc(inc,f2);
                        }
                    }
                    l++;
                }
                fclose(f1);
                fclose(f2);
                return 0;
                break;
            }
            case '2':{return 0;}
            case '3':{return 0;}
        }
    }
}