printf print only first n characters code example
Example: c++ char print fixed
/*
OUTPUT
char variable value: Programming
-----------------------------------------------------
[%s] |Programming|
[%10s] |Programming|
[%15s] | Programming|
[%-15s] |Programming |
[%15.5s] | Progr|
[%-15.5s] |Progr |
-----------------------------------------------------
*/
// NOTE: Specifically used for char data-types (not strings)
char str[]="Programming"; // Length = 11
std::cout << "[%s] |";
printf("%s",str); // Display Complete String
std::cout << "|\n";
std::cout << "[%10s] |";
printf("%10s",str); // 10 < Length: Display Complete String
std::cout << "|\n";
std::cout << "[%15s] |";
printf("%15s",str); // 15 > Length: Displays Complete String with 4 spaces Alignment:Right
std::cout << "|\n";
std::cout << "[%-15s] |";
printf("%-15s",str); // Same as Above But Left Aligned
std::cout << "|\n";
std::cout << "[%15.5s] |";
printf("%15.5s",str); // 15-5 = 10 spaces and show first 5 characters Align : R
std::cout << "|\n";
std::cout << "[%-15.5s] |";
printf("%-15.5s",str); // 15-5 = 10 spaces and show first 5 characters Align : L
std::cout << "|\n";