Meld is a tool which allows the user to see the changes in, and merge between, either two files, two directories, or two files with a common ancestor. It can be integrated into
Gedit for easy use.
Meld by default is available in Ubuntu official repository, just search and install from
Ubuntu Software Center or run this command in a command console:
sudo apt-get install meld
After installation, launch Meld under
Applications -> Programming menu.
Integrate into Gedit
First, install Zenity with the command below:
sudo apt-get install zenity
Then, open Gedit under Applications -> Accessories menu. Head to
Edit -> Preferences -> Pluginstab, check “External Tools” and click “Configure Plugin” at right-bottom.
In next window click the button at left-bottom to add
new tool and name
Meld (here can set a shortcut key to quick launch Meld while using Gedit), in right box copy and paste following code and finally save the change.
#!/bin/sh meld $GEDIT_CURRENT_DOCUMENT_DIR/$GEDIT_CURRENT_DOCUMENT_NAME `zenity \ --file-selection --title="File for comparsion" --filename=/home/` &