In lang=en terms the difference between append and merge
is that
append is to add, as an accessory to the principal thing; to annex; as, notes appended to this chapter while
merge is to combine into a whole.
As verbs the difference between append and merge
is that
append is to hang or attach to, as by a string, so that the thing is suspended; as, a seal appended to a record; the inscription was appended to the column while
merge is to combine into a whole.
As nouns the difference between append and merge
is that
append is (computing) an instance of writing more data to the end of an existing file while
merge is a joining together of two flows.