gcc конвейер

g++ one.cpp && ./a.out

g++ one.cpp | ./a.out

# cat > hw.c
int main(int argc, char **argv)
{
        printf("helo, world!\n");
        return 0;
}
^D
# gcc hw.c | ./a.out
zsh: no such file or directory: ./a.out
# gcc hw.c | ./a.out
helo, world!
#