Hello world in C# compiled to .NET IL, and then compiled down to a stand-alone portable Bourne shell

HelloWorldCSharp-annotated.sh

#! /bin/sh
LC_CTYPE=C; export LC_CTYPE
charat() { if test -z $BASH; then r=$(expr substr $1 $(($2 + 1)) 1); else r=${1:$2:1}; fi }
p=0
h=0
i=0
while true; do
case $i in
0)

# IL_0000: ldstr "Hello World!"
eval "s${p}=\"Hello World!\""

# IL_0005: call System.Void System.Console::WriteLine(System.String)
eval "a1=\$s${p}"
echo "${a1}"

# IL_000a: ret
break
exit 1
;;
esac
done

HelloWorldCSharp.sh

#! /bin/sh
LC_CTYPE=C; export LC_CTYPE
charat() { if test -z $BASH; then r=$(expr substr $1 $(($2 + 1)) 1); else r=${1:$2:1}; fi }
p=0
h=0
i=0
while true; do
case $i in
0)
eval "s${p}=\"Hello World!\""
eval "a1=\$s${p}"
echo "${a1}"
break
exit 1
;;
esac
done

Original C# code

    internal static void HelloWorldCSharp()
    {
        Console.WriteLine("Hello World!");
    }