Copy only difference (kdiff, winmerge, any diff like tool)

Question

Is there possibility of copy ONLY difference of two files? Like in winmerge, but, I can\'t find this option

Answer 1

In winmerge there is very nice feature- in tools you can generate raport in html by Tools-> Raport. After that operation you can parse generated html- and in that way get only differenece (but maybe it's not simplest solution)