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Take a stand against long quine lines

or: Build a vertical quine

^{Inspired by Take a stand against long lines.}

Your task is to build a vertical quine with as short a line length as possible.

Scoring

Shortest line length (excluding newlines) wins, with code-golf criteria as a tie-breaker.

Line length is determined as the longest line in your program excluding the line break character.

For example:

$_=
Q.
P

has a line length of 3 and a byte count of 8, whilst:

Q
$
_
P

Has a line length of 1 and a byte count of 7 (assuming no trailing newline).

Rules

Quines must meet the community definition of a quine.

Standard loopholes are forbidden.

Answer*

# [Haskell] + CPP, line length 2, <s>705</s> 237 bytes



<pre><code>m\
a\
i\
n\
=\
p\
u\
t\
S\
t\
r\
$\
(\
:\
"\
\\
\\
\\
n\
"\
)\
=\
&lt;\
&lt;\
s\
+\
+\
s\
h\
o\
w\
 \
s\
;\
s\
=\
"\
m\
a\
i\
n\
=\
p\
u\
t\
S\
t\
r\
$\
(\
:\
\\
"\
\\
\\
\\
\\
\\
\\
n\
\\
"\
)\
=\
&lt;\
&lt;\
s\
+\
+\
s\
h\
o\
w\
 \
s\
;\
s\
=\
"\

</code></pre>

[Try it online!][TIO-jduoo2t6] Using the flag `-CPP` which enables the C pre-processor allows us to use a backslash at the end of a line to continue it on the next line.

The actual code is `main=putStr$(:"\\\n")=<<s++show s;s="<data>"`.

*Edit: A casual -468 bytes thanks to [Ørjan Johansen](https://codegolf.stackexchange.com/users/66041/%c3%98rjan-johansen)!*

[Haskell]: https://www.haskell.org/
[TIO-jduoo2t6]: https://tio.run/##nY0xCsJQFAT7PYWIhUG8QGIqLxCwsZjmE9SE/CTiN3h7X@SBoJ0Iw7JbLNOE1J1iNOtRQC0aUImuaEJ3dPC8oRVaoxwtEW8Gn5lfdk5CG@dVGjSiB1r4LDxLv/yu49v4qeZfu9mzPsdwSbY97qtqBg "Haskell – Try It Online"

If this is an answer to a challenge…

…Be sure to follow the challenge specification. However, please refrain from exploiting obvious loopholes. Answers abusing any of the standard loopholes are considered invalid. If you think a specification is unclear or underspecified, comment on the question instead.
…Try to optimize your score. For instance, answers to code-golf challenges should attempt to be as short as possible. You can always include a readable version of the code in addition to the competitive one. Explanations of your answer make it more interesting to read and are very much encouraged.
…Include a short header which indicates the language(s) of your code and its score, as defined by the challenge.

More generally…

…Please make sure to answer the question and provide sufficient detail.
…Avoid asking for help, clarification or responding to other answers (use comments instead).

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1

\$\begingroup\$ It saves a lot of escaping to change that to main=putStr$(:"\\\n")=<<s++show s;s="<data>". Try it online! \$\endgroup\$

Ørjan Johansen
– Ørjan Johansen

2018年02月19日 18:45:12 +00:00
Commented Feb 19, 2018 at 18:45

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