// Substitutition scheme of Caesar cipher // Move scilab to current file directory [u,t,n] = file() n = strcat(n) file_name = basename(n)+fileext(n) file_name = strcat(file_name) ind=strindex(n,file_name) path = part(n,1:ind-1) chdir(path) exec("Chapter_2.sci",-1) a = ascii('A') for i =0:25 printf("%c : %c\n",ascii(a+i),encrypt_caesar(ascii(a+i))) end // A scheme for codifying messages //(replacing each alphabet with an alphabet three places down the line)