diff options
Diffstat (limited to 'lualib/lua_magic/heuristics.lua')
| -rw-r--r-- | lualib/lua_magic/heuristics.lua | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/lualib/lua_magic/heuristics.lua b/lualib/lua_magic/heuristics.lua index 376e19cd4..0a0cb7471 100644 --- a/lualib/lua_magic/heuristics.lua +++ b/lualib/lua_magic/heuristics.lua @@ -429,6 +429,8 @@ exports.text_part_heuristic = function(part, log_obj, _) local start_span = content:span(1, span_len) local matches = txt_trie:match(start_span) local res = {} + local fname = part:get_filename() + if matches then -- Require at least 2 occurrences of those patterns for n,positions in pairs(matches) do @@ -447,8 +449,12 @@ exports.text_part_heuristic = function(part, log_obj, _) local ext, weight = process_top_detected(res) - if weight and weight >= 40 then - return ext, weight + if weight then + if weight >= 40 then + return ext, weight + elseif fname and weight >= 20 then + return ext, weight + end end end @@ -466,8 +472,6 @@ exports.text_part_heuristic = function(part, log_obj, _) and file:sub(-ext_len - 1, -ext_len - 1) == '.' end - - local fname = part:get_filename() if fname and (has_extension(fname, 'htm') or has_extension(fname, 'html')) then return 'html',21 end |