%!PS

% begin included library code
% see https://codeberg.org/Firedrake/postscript-libraries/
/test.end {
    ( ) print
    test.count 0 gt {
        (Passed ) print
        test.pass (...) cvs print
        (/) print
        test.count (...) cvs print
        ( \() print
        test.pass 100 mul test.count idiv (...) cvs print
        (%\)) print
        (\r\n) print
    } if
} bind def

/test {
    /test.count test.count 1 add def
    {
        /test.pass test.pass 1 add def
    } {
        ( ) print
        test.count (....) cvs print
        (-fail) print
    } ifelse
} bind def

/test.start {
    print (:) print
    /test.pass 0 def
    /test.count 0 def
} bind def


% end included library code

/jumpingletters {
    5 dict begin
    /jump exch def
    /word exch def
    /s word length string def
    0 1 word length 1 sub {
        /i exch def
        /d word i get jump i get 26 mod add def
        word i get 90 le d 90 gt and d 122 gt or {
            /d d 26 sub def
        } if
        s i d put
    } for
    s
    end
} bind def

(jumpingletters) test.start
(Perl) [2 22 19 9] jumpingletters (Raku) eq test
(Raku) [24 4 7 17] jumpingletters (Perl) eq test
test.end