xdiff_file_diff Make unified diff of two files. boolxdiff_file_diff stringfile1 stringfile2 stringdest intcontext boolminimal xdiff_file_diff makes unified diff of files file1 and file2 and stores result in file dest. context indicated how many lines of context you want to include in diff result. Set minimal to &true; if you want to minimalize size of diff (can take a long time). Returns &true; or &false; if and internal error happened. See also xdiff_string_diff.