Indent (Unix)

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indent is a Unix utility that reformats C and C++ code in a user-defined indentation style and coding style. Support for C++ code is minimal.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

The original version of indent was written by David Willcox at the University of Illinois in November 1976. It was incorporated into 4.1BSD in October 1982.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> GNU indent was first written by Jim Kingdon in 1989. The command is available as a separate package for Microsoft Windows as part of the UnxUtils collection of native Win32 ports of common GNU Unix-like utilities.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Examples of usage

The following command

<syntaxhighlight lang="sh"> $ indent -st -bap -bli0 -i4 -l79 -ncs -npcs -npsl -fca -lc79 -fc1 -ts4 some_file.c </syntaxhighlight> indents some_file.c in a style resembling BSD/Allman style and writes the result to the standard output.

GNU indent

GNU indent is the GNU Project's version of indent. A different indentation style, the GNU style, is used by default.<ref>GNU Indent Manual</ref>

External links

• GNU indent Homepage
• Template:Man
• UniversalIndentGUI
• clang-format (an alternative to indent)

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