go-difflib

module
Version: v1.0.0 Latest Latest
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Published: Jan 10, 2016 License: BSD-3-Clause

README

go-difflib

Build Status GoDoc

Go-difflib is a partial port of python 3 difflib package. Its main goal was to make unified and context diff available in pure Go, mostly for testing purposes.

The following class and functions (and related tests) have be ported:

  • SequenceMatcher
  • unified_diff()
  • context_diff()

Installation

$ go get github.com/pmezard/go-difflib/difflib
Quick Start

Diffs are configured with Unified (or ContextDiff) structures, and can be output to an io.Writer or returned as a string.

diff := UnifiedDiff{
    A:        difflib.SplitLines("foo\nbar\n"),
    B:        difflib.SplitLines("foo\nbaz\n"),
    FromFile: "Original",
    ToFile:   "Current",
    Context:  3,
}
text, _ := GetUnifiedDiffString(diff)
fmt.Printf(text)

would output:

--- Original
+++ Current
@@ -1,3 +1,3 @@
 foo
-bar
+baz

Directories

Path Synopsis
Package difflib is a partial port of Python difflib module.
Package difflib is a partial port of Python difflib module.

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