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://astyle.sourceforge.net.

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

astyle source_file

• Apply the Java style with attached braces:

astyle --style=java path/to/file

• Apply the allman style with broken braces:

astyle --style=allman path/to/file

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

astyle --indent=spaces=number_of_spaces path/to/file

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

astyle --indent=tab=number_of_tabs path/to/file