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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.[3]
 | This article needs additional citations for verification. (April 2014) |
| Original author(s) | David Willcox |
|---|---|
| Developer(s) | David Ingamells, Carlo Wood, Joseph Arceneaux, Jim Kingdon, John Bridges |
| Initial release | November 1976 |
| Stable release | 2.2.13[1]
/ 20 March 2023 |
| Repository | |
| Written in | C |
| Operating system | Cross-platform |
| Type | source-code-reformat tool |
| License | GNU: GPL-3.0-or-later[2] |
| Website | GNU: gnu |
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.[4] 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.[5]
The following command
$ indent -st -bap -bli0 -i4 -l79 -ncs -npcs -npsl -fca -lc79 -fc1 -ts4 some_file.c
indents some_file.c in a style resembling BSD/Allman style and writes the result to the standard output.
GNU indent is the GNU Project's version of indent. A different indentation style, the GNU style, is used by default.[6]
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