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This article mainly introduces what are the excellent code comparison tools under Linux, which can be used for reference. Interested friends can refer to them. I hope you can learn a lot after reading this article.

1diff command

The diff command is a powerful text comparison tool that comes with Linux, and it is very easy to use. For its use, I have also written a separate article introduction, click on the link below to see.

Teach you the method of text comparison under Linux

The diff command, which is preinstalled in most Linux distributions, can compare two text files line by line and output their differences. For more information, you can check out its man manual directly.

$man diff

However, while the diff command is powerful, its output is so moving that it is not intuitive or clear. So, in order to make up for this shortcoming, some bosses developed more powerful tools based on diff. Two are recommended here: colordiff and wdiff.

Colordiff command

Colordiff is a Perl scripting tool that produces the same output as the diff command, but shades the code and has syntax highlighting. At the same time, you can customize the theme if you don't like its default color.

You can install colordiff to your computer by yourself and choose different installation commands according to different distributions.

$yum install colordiff [On CentOS/RHEL/Fedora] $dnf install colordiff [On Fedora 23 + version] $sudo apt-get install colordiff [On Debian/Ubuntu/Mint]

Similarly, you can use the man command to view its help documentation:

$man colordiff

Wdiff command

The diff command compares the differences line by line, while wdiff is more perverted, comparing word for word. So if your text only modifies a few words, using the wdiff command will be more efficient.

The installation commands are as follows:

$yum install wdiff [On CentOS/RHEL/Fedora] $dnf install wdiff [On Fedora 23 + version] $sudo apt-get install wdiff [On Debian/Ubuntu/Mint]

See its man manual for more details.

$man wdiff

2vimdiff command

Vimdiff is equivalent to the vim-d command, the diff mode of the Vim editor.

This command is usually followed by two or more file names as arguments, which open at the same time in the split window of the Vim editor and highlight the parts of the file that have different contents.

Its Chinese homepage is: http://vimcdoc.sourceforge.net/doc/diff.html

The two above are Linux command line comparison tools, let's take a look at some GUI comparison tools.

3Kompare

Kompare is a diff-based GUI tool that makes it easy for users to see the differences between files and supports merging these differences.

The features of Kompare are as follows:

Support for multiple diff formats

Support the comparison between directories

Support for reading diff files

Custom Interfac

Create and apply the patch file of the source file.

The home page of the tool is: https://www.kde.org/applications/development/kompare/

4 DiffMerge

DiffMerge is a cross-platform GUI text comparison tool with three platform versions: Linux, Windows and macOS. We know that BeyondCompare is a paid software, so if your company's copyright requirements are relatively high, you might as well consider the DiffMerge tool.

DiffMerge has two functions: 1. Graphically shows the changes between the two files. Contains internal line highlighting and full editing support. two。 Graphically shows the changes between the three files. Allows automatic merging (when it can be safely operated) and full editing control of the result file.

It has the following characteristics:

Support folder comparison

Integrated file browser

Highly configurable.

The home page of the tool is: https://sourcegear.com/diffmerge/

5Meld

Meld is a lightweight GUI code comparison tool that allows users to compare files, directories, and highly integrated version control software. But for software developers, the following features are particularly attractive:

Perform two-way and three-way differences and merge

Easily navigate between differences and conflicts

Compare two or three directories file by file, showing new files, missing files, and change files

Many version control systems are supported, including Git,Mercurial,Bazaar and SVN.

Its official website is: http://meldmerge.org/

6Diffuse

Diffuse is another very popular, free, small, but also very simple GUI text comparison and merge tool, it is written in Python, with two main functions: file comparison and version control, allows file editing, merging, and output the difference between the two files.

You can use it to view a summary of text comparisons and use the mouse to select a line in the file for editing. Its other features include:

Syntax highlighting

Keyboard shortcuts facilitate text navigation

Unlimited undo

Support for unicode encoded files

Many version control systems are supported, including Git,Mercurial,Bazaar and SVN.

Its official website is: http://diffuse.sourceforge.net/

7XXdiff

XXdiff is a free and powerful tool for comparing and merging differences between files and folders. It can run on many types of Unix systems. However, there is a limitation that it does not support unicode files, and there is no way to edit files directly.

It has the following characteristics:

Recursively compare files and folders

Highlight differences

Merge differences and export results

Support for external diff tools, such as GNU diff,SIG diff, Cleareddiff, and more

Support script extension

8KDiff3

KDiff3 is another powerful cross-platform difference comparison and merging tool. It is developed by KDevelop and can be run on all Unix-like platforms, including Linux, Mac OS, Windows, etc.

It can compare or merge two or three files or directories and has the following characteristics:

You can compare the differences sentence by sentence and word by word.

Support for automatic merge

Built-in editor to resolve conflicts manually

Support unicode, UTF-8 and other coding formats

Printing differences are supported

Its official website is: http://kdiff3.sourceforge.net/

9TkDiff

TkDiff is another cross-platform, easy-to-use GUI text comparison tool that can run on Linux, Windows and MacOS systems. It also provides a left and right separate interface for viewing and comparing two files.

However, it also has some features that other text comparison tools do not have, such as differential bookmarks and a navigation map that makes it easy to quickly locate navigation differences.

Thank you for reading this article carefully. I hope the article "what are the excellent code comparison tools under Linux" shared by the editor will be helpful to everyone? at the same time, I also hope you can support us and pay attention to the industry information channel. More related knowledge is waiting for you to learn!

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