Bash script to generate and compile a C program to check Endianness of your system. Cleans up after it is done

check-endianness.sh

cat << EOF > check-endianness.c
#include <stdio.h>

int main() {
    int n = 1;

    // little endian if true
    if(*(char *)&n == 1) {
        printf("Little endian\n");
    } else {
        printf("Big endian\n");
    }   
}
EOF

gcc -o check-endianness check-endianness.c && ./check-endianness && rm check-endianness check-endianness.c