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ch-1.ps
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ch-1.ps
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%!PS
% begin included library code
% see https://codeberg.org/Firedrake/postscript-libraries/
/a2s {
2 dict begin
/i exch def
i length dup string /o exch def
1 sub 0 exch 1 exch {
dup i 3 -1 roll get o 3 1 roll put
} for
o
end
} bind def
/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
/dget {
3 1 roll
2 copy
known {
get exch pop
} {
pop pop
} ifelse
} bind def
/s2a {
[ exch { } forall ]
} bind def
% end included library code
/oddcharacter {
0 dict begin
/ss 0 dict def
exch
s2a {
/c exch def
ss c 0 dget 1 add ss exch c exch put
} forall
s2a {
/c exch def
ss c known ss c 0 dget 0 gt and {
ss c 0 dget 1 sub ss exch c exch put
} {
[ c ] a2s
exit
} ifelse
} forall
end
} bind def
(oddcharacter) test.start
(Perl) (Preel) oddcharacter (e) eq test
(Weekly) (Weeakly) oddcharacter (a) eq test
(Box) (Boxy) oddcharacter (y) eq test
test.end