#!/bin/bash
s='#cat -et file.bin
echo "I: Installation finished!"
exit 0
__DATA__
3<ED>M-^PM-^PM-^PM-^PM-^'
sed -n '/__DATA__/{n;:1;n;p;b1}' <<< "$s"
IyEvYmluL2Jhc2gKcz0nI2NhdCAtZXQgZmlsZS5iaW4KCmVjaG8gIkk6IEluc3RhbGxhdGlvbiBmaW5pc2hlZCEiCmV4aXQgMAoKX19EQVRBX18KCjM8RUQ+TS1eUE0tXlBNLV5QTS1eUE0tXicKCnNlZCAtbiAnL19fREFUQV9fL3tuOzoxO247cDtiMX0nIDw8PCAiJHMi