/usr/bin/g++ -DEVAL -std=gnu++20 -O2 -pipe -static -s -o walk walk.cpp
/usr/bin/g++ -DEVAL -std=gnu++17 -O2 -pipe -static -s -o walk walk.cpp
/usr/bin/javac -encoding UTF-8 walk.java /bin/sh -c echo "Main-Class: walk" > __manifest__.txt /bin/sh -c jar cfm walk.jar __manifest__.txt *.class