---
syntax: markdown
tags: [tldr, common]
source: https://github.com/tldr-pages/tldr.git
---
# astyle

> Source code indenter, formatter, and beautifier for the C, C++, C#, and Java programming languages.
> Upon running, a copy of the original file is created with an ".orig" appended to the original file name.
> More information: <https://manned.org/astyle>.

- Apply the default style of 4 spaces per indent and no formatting changes:

`astyle {{source_file}}`

- Apply the Java style with attached braces:

`astyle {{[-A2|--style=java]}} {{path/to/file}}`

- Apply the allman style with broken braces:

`astyle {{[-A1|--style=allman]}} {{path/to/file}}`

- Apply a custom indent using spaces. Choose between 2 and 20 spaces:

`astyle {{[-s|--indent=spaces=]}}{{number_of_spaces}} {{path/to/file}}`

- Apply a custom indent using tabs. Choose between 2 and 20 tabs:

`astyle {{[-t|--indent=tab=]}}{{number_of_tabs}} {{path/to/file}}`
