The KDiff3 Handbook
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The KDiff3 Handbook

Joachim Eibl

Revision 0.9.92 (2007-31-03)

Copyright © 2002-2007 Joachim Eibl

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.1 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".

KDiff3 is a file and directory diff and merge tool which

  • compares and merges two or three text input files or directories,

  • shows the differences line by line and character by character(!),

  • provides an automatic merge-facility,

  • has an editor for comfortable solving of merge-conflicts,

  • provides networktransparency via TDEIO,

  • has options to highlight or hide changes in white-space or comments,

  • supports Unicode, UTF-8 and other file encodings,

  • prints differences,

  • supports version control keyword and history merging.

This document describes KDiff3-version 0.9.92.

Table of Contents

1. Introduction
Yet Another Diff Frontend?
Screenshots and Features
More Features
Line-By-Line And Char-By-Char Diff-Viewer
See White-Space Differences At One Glance
Triple-Diff
Comfortable Merge Of Two Or Three Input Files
And ...
2. File Comparison And Merge
Command-Line Options
Comparing 2 files:
Merging 2 files:
Comparing 3 files:
Merging 3 files:
Special case: Files with the same name
Commandline for starting a directory comparison or merge:
Other command line options
Ignorable command line options
Open-Dialog
Paste and Drop Input
Comparing Files And Interpreting The Information In The Input Windows
Info Line
Coloring
Summary Column
Overview Column
Manually Aligning Lines
Manually Joining and Splitting Diff Sections
Merging And The Merge Output Editor Window
The Summary Column
Setting The Current Group And Synchronising Merge And Diff View Position
Choosing Inputs A, B or C For Current Conflict And Editing
Choosing Input A, B, or C for All Conflicts
Automatic Merge of Version Control Keywords and History (Log)
Navigation And Editing
Auto-Advance
Select, Copy And Paste
Saving
Finding Strings
Printing
Options
Font
Colors
Editor Settings
Diff Settings
Merge Settings
Directory Merge
Regional and Language Options
Miscellaneous
Configuring Keyboard-Shortcuts
Preprocessor Commands
sed Basics
Examples For sed-Use In KDiff3
Order Of Preprocessor Execution
Warning
3. Directory Comparison and Merge with KDiff3
Introduction into Directory Comparison and Merge
Starting Directory Comparison Or Merge
Compare/Merge two directories:
Compare/Merge three directories:
Directory Merge Visible Information
The Name Column
The Columns A/B/C and the Coloring Scheme
The Operation Column
The Status Column
Statistics Columns
Selecting Listed Files
Doing A Directory Merge
Options for Comparing and Merging Directories
Other Functions in Directory Merge Window
Split/Full Screen Mode
Comparing or Merging a Single File
Comparing or Merging Files with Different Names
4. Miscellaneous Topics
Networktransparency via TDEIO
TDEIO-Slaves
How To Write URLs
Capabilities of TDEIO-Slaves
Using KDiff3 as a KPart
5. Questions and Answers
6. Credits and License
A. Installation
How to obtain KDiff3
Requirements
Compilation and Installation
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