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A program that writes itself

$ include "seed7_05.s7i";
const array string: prog is [](
"$ include \"seed7_05.s7i\";",
"const array string: prog is [](",
"const proc: main is func",
"  local var integer: number is 0;",
"  begin",
"    for number range 1 to 2 do writeln(prog[number]); end for;",
"    for number range 1 to 11 do",
"      writeln(literal(prog[number]) <& \",\");",
"    end for;",
"    writeln(literal(prog[12]) <& \");\");",
"    for number range 3 to 12 do writeln(prog[number]); end for;",
"  end func;");
const proc: main is func
  local var integer: number is 0;
  begin
    for number range 1 to 2 do writeln(prog[number]); end for;
    for number range 1 to 11 do
      writeln(literal(prog[number]) <& ",");
    end for;
    writeln(literal(prog[12]) <& ");");
    for number range 3 to 12 do writeln(prog[number]); end for;
  end func;

Function to solve the Towers of Hanoi problem

const proc: hanoi (in integer: disk, in string: source, in string: dest, in string: via) is func
  begin
    if disk > 0 then
      hanoi(pred(disk), source, via, dest);
      writeln("Move disk " <& disk <& " from " <& source <& " to " <& dest);
      hanoi(pred(disk), via, dest, source);
    end if;
  end func;

Write reciprocal values of the natural numbers from 1 to 20 with 60 digits

$ include "seed7_05.s7i";
  include "bigint.s7i";
  include "bigrat.s7i";

const proc: main is func
  local
    var bigInteger: number is 0_;
  begin
    for number range 1_ to 20_ do
      writeln(1_/number digits 60);
    end for;
  end func;


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