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How to install Meld tool in Ubuntu

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How to install Meld tool in Ubuntu

Meld is a visual diff and merge tool which was created for the developers. It is used for comparing files, directories, and version controlled projects. It supports two-way and three-way comparison of both files and directories. It also has support for many popular version control systems. Meld helps you review code changes and understand patches. It has Auto-merge mode and actions on change blocks which helps to make merges easier. The installation of Meld tool in Ubuntu is covered in this article.

To install Meld

The installation of Meld requires prior installation of GIt. Use the following command for the same purpose. 

root@linuxhelp:~# apt-get install git
Reading package lists... Done
Building dependency tree       
Reading state information... Done
&hellip 
&hellip 
&hellip 
Setting up liberror-perl (0.17-1.1) ...
Setting up git-man (1:2.5.0-1ubuntu0.2) ...
Setting up git (1:2.5.0-1ubuntu0.2) ...

Once Git is installed, clone the Meld source from Git as follows. 

root@linuxhelp:~# git clone https://git.gnome.org/browse/meld
Cloning into ' meld' ...
remote: Counting objects: 19449, done.
remote: Compressing objects: 100% (8380/8380), done.
remote: Total 19449 (delta 14419), reused 14671 (delta 10898)
Receiving objects: 100% (19449/19449), 5.87 MiB | 103.00 KiB/s, done.
Resolving deltas: 100% (14419/14419), done.
Checking connectivity... done.
root@linuxhelp:~# cd meld/

Now, all you need to do is to create a soft link for Meld

root@linuxhelp:~/meld# ln -s ~/meld/bin/meld /usr/bin/meld

Launch Meld by running the following command. 

root@linuxhelp:~/meld# meld

Meld Window looks as follows.
Meld

You can do file comparison on Meld.
file_comparison_in_meld
3-way comparison can also be done through Meld.
3-way comparison_in_Meld

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Frequently asked questions ( 5 )

Q

What is Meld tool in Ubuntu?

A

Meld helps you review code changes and understand patches. It has Auto-merge mode and actions on change blocks which helps to make merges easier.

Q

What is this XXXEXPORT stuff?

A

In IMP we only export selected functions and classes from the dynamically linked libraries. This is required for things to work on Windows; while it is not strictly necessary on other platforms it gives slightly faster code. As a result, each class/function that is used outside of the library needs to be marked with IMPMODULENAMEEXPORT.

Q

Are there any alternatives for Meld tool in Ubuntu?

A

Use the following tools:
Beyond Compare, kdiff3, Diffuse, P4Merge, DiffMerge

Q

How to install Meld tool on Ubuntu?

A

Meld requires prior installation of GIt. Use the following command for the same purpose.
# apt-get install git

Q

Why can't I clone a Particle?

A

The short answer is: "because no one knows how to do it safely". The complication is that the attributes of various particles may have relationships to one another that would be violated by the cloning process. For example, a Particle attribute in a Particle could be part of a bond, in which case the bond particle must also be cloned and the attribute in the new particle must point to the new bond, or it could be a pointer to a particle which keeps track of all of the atoms in the system, in which case the attribute value should be copied unchanged.
A clone function would have no way of knowing which should be done.

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