patch: Create and apply patches to a text string

In diffmatchpatch: String Diff, Match, and Patch Utilities

Create and apply patches to a text string

Description

Patches are constructed via patch_make() and applied using patch_apply().

Usage

patch_make(x, y)

patch_apply(x, patch)

Arguments

x	The source string
y	The destination string
patch	A string representation of the patch(es).

Value

patch_make() returns a string representation of the patch(es).

• patch_apply() returns the patched version of the string x, the matches attribute contains logical values indicating which patches were successfully applied.

Examples

(p = patch_make("abcdef", "abchij"))

patch_apply("abcdef", p)

patch_apply("abc", p)

patch_apply("def", p)

patch_apply("hij", p)

diffmatchpatch documentation built on Nov. 14, 2026, 5:12 p.m.