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64 lines
2.8 KiB
Markdown
64 lines
2.8 KiB
Markdown
---
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title: "Code in LaTex"
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date: 2020-04-30T23:46:05-04:00
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draft: false
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tags: ["LaTex"]
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---
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I am currently working on a paper in LaTex and wanted to include some source code in it. I didn't want to use the default `verbatim` environment since I wanted to include syntax highlighting as well. Luckily, the `listings` package is an easy and extensible way to include source code inside LaTex documents. To speak first of its extensibility, here is a subset of the arguments that it can possibly take:
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| Argument | Description |
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| ----------------- | ------------------------------------------------------------ |
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| aboveskip | Amount of space to include above code. |
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| backgroundcolor | Background color |
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| basicstyle | Font-style of code (Color & Size) |
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| belowskip | Amount of space to include below code. |
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| breakatwhitespace | Only break at whitespace (boolean) |
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| breaklines | Automatic Line Breaking (boolean) |
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| commentstyle | Font-style of comments (Color & Size) |
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| frame | Type of frame: `l` for left, `r` for right, `t` for top, `b` for bottom; can use combination of letters or `single`. |
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| keywordstyle | Font-style of keywords (Color & Size) |
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| language | Language of code (for highlighting purposes) |
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| numbers | Where to put the numbers: `none`, `left`, or `right`. |
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| numbersep | How far the line-numbers are from the code. |
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| numberstyle | Font-style of numbers (Color & Size) |
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| stringstyle | Font-style of strings in code (Color & Size) |
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| tabsize | Default tab size in terms of spaces. |
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| title | Show filename included in `\lstinputlistings` or caption. |
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Here is an example of code that I used in a paper
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```latex
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\usepackage{color}
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\usepackage{listings}
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\definecolor{keyblue}{rgb}{0.1, 0.1, 0.6}
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\definecolor{dkgreen}{rgb}{0,0.6,0}
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\definecolor{gray}{rgb}{0.5,0.5,0.5}
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\definecolor{stringcol}{rgb}{0.58,0.4,0.1}
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\lstset{frame=l,
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language=Python,
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aboveskip=3mm,
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belowskip=3mm,
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columns=flexible,
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basicstyle={\small\ttfamily},
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numbers=left,
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numberstyle=\tiny\color{gray},
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numbersep=2mm,
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keywordstyle=\color{keyblue},
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commentstyle=\color{dkgreen},
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stringstyle=\color{stringcol},
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breaklines=true,
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tabsize=4
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}
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\begin{lstlisting}
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def greeting():
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return "Hello!"
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# Printing the greeting to the screen
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print(greeting())
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\end{lstlisting}
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```
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