Comparing and Merging Files

diff provides two output formats that show context around the differing lines: context format and unified format.

The unified output format is a variation on the context format that is more compact because it omits redundant context lines.

A DIFF file is a single file showing the differences between one or more text or source files. It is created by Mercurial, a control management tool for ...

In computing, the utility diff is a data comparison tool that computes and displays the differences between the contents of files.

Files that contain the .diff file extension are most commonly used for difference data files. The DIFF files contain the patch script information.

Unlike the traditional unified diff format, which shows two files A and B with a single column that has - (minus — appears in A but removed in B), + (plus — ...

I am currently playing around with parsing diff files, and have yet to come across a solid documentation on diff files. I am especially interested in ...

A difference file records all the ways two text files are different. They're sometimes called patch files and might use the PATCH file extension.

diff provides two output formats that show context around the differing lines: context format and unified format.