Created
October 9, 2012 08:45
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2012/10/08 の失敗例2
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%#! luatex | |
\catcode`\@=11 | |
\def\len@begin{\directlua{ | |
local len_count = 0 | |
local len_flag = true | |
while len_flag do | |
local t = token.get_next() | |
if token.csname_name(t) == 'len@end' then | |
len_flag = false | |
print(); print() | |
print('len(yourcode)=' .. tostring(len_count)) | |
end | |
len_count = len_count + 1 | |
end | |
}} | |
\def\length#1{\len@begin#1\len@end#1} | |
\length{% ここから | |
\def\numtohex#1{% | |
\count@#1\divide\count@\sixt@@n | |
\uccode`<\numtohex@aux | |
\count@\numexpr#1-\count@*\sixt@@n | |
\uccode`>\numtohex@aux | |
\uppercase{\def\result{<>}}}% | |
\def\numtohex@aux{\numexpr\count@+`0\ifnum\count@>9+7\fi}% ここまで | |
} | |
\catcode`\@=12 | |
\numtohex{042}\show\result %==>2A | |
\numtohex{`\\}\show\result %==>5C | |
\count0=3 \numtohex{\count0}\show\result %==>03 | |
\bye |
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http://d.hatena.ne.jp/zrbabbler/20121008/1349677570