Diff

google-diff-match-patch Example

@@ -1,15 +1,21 @@
 one%0Atwo
+ trees
 %0Athree%0Af
@@ -6,13 +6,20 @@
 wo%0Athree
+ houses
 %0Afour

PatchesSource

one
two trees
three
four

TextB

one
two
three
four

TextA

one
two
three houses
four

TextC

one
two trees
three houses
four

TextD

[[0,"one\ntwo\nthree"],[1," houses"],[0,"\nfour"]]

[[0,"one\ntwo"],[1," trees"],[0,"\nthree\nfour"]]

one
two trees
three
four

TextBDiff

one
two
three houses
four

TextCDiff

patches = dmp.patch_fromText(source)
result = dmp.patch_apply(patches, a)

 diffs1 = dmp.diff_lineMode(a,b)

patch1 = dmp.patch_make(diffs1)
patch2 = dmp.patch_make(diffs2)
patchText = dmp.patch_toText(patch1.concat(patch2));

 diffs2 = dmp.diff_lineMode(a,c)