$ r2pm init
$ r2pm update

$ r2pm -i r2snow

$ sudo apt-get install libboost-dev libqt4-dev'

$ r2pm -i r2dec

$ r2 -A my_file
...
[0x00000540]> s main
[0x000006a4]> pdd
int32_t main () {
    /* arg1 */
    *(local_14h) = edi;
    /* arg2 */
    *(local_20h) = rsi;
    esi = 7;
    edi = 0x61;
    print_it (*(local_20h), *(local_14h));
    esi = 0x11;
    edi = 0x6b;
    print_it (edi, esi);
    *(local_4h) = 5;
    edx = *(local_4h);
    eax = edx;
    eax += eax;
    eax += edx;
    *(local_4h) = eax;
    eax = *(local_4h);
    edi = eax;
    dumb_function (edi);
    esi = 9;
    edi = 0x62;
    print_it (edi, esi);
    eax = 0;
    return eax;
}

$ r2pm -i r2retdec