Curb your ethusiasm most

curb_your_enthusiasm.lua

@@ -13,9 +13,12 @@ local function video_length (video_filename)
     assert(type(video_filename) == 'string')
     local f    =  io.popen(('ffprobe -i "%s" -show_entries format=duration -v quiet -of csv="p=0"'):format(video_filename), 'r')
     local str  =  f:read '*all'
+                  f:close()
     local len  =  tonumber(str)
-    assert(type(len) == 'number')
+    if type(len) ~= 'number' then
-    f:close()
+        error('Could not determine length of file "'..video_filename..'". ffprobe had this to say: '..str)
+    end
+    --
     return len
 end
 
@@ -122,5 +125,5 @@ end
 
 --------------------------------------------------------------------------------
 
-return curb_your_video
+return { your_video = curb_your_video }
 

internet.lua

@@ -266,7 +266,8 @@ end
 function internet.download_video (url)
     assert(type(url) == 'string')
     local video_filename  =  os.tmpname()
-    os.execute(('youtube-dl "%s" -o "%s" &> /dev/null'):format(url, video_filename))
+    local status  =  os.execute(('youtube-dl "%s" -o "%s"'):format(url, video_filename))
+    assert(status == 0)
     return video_filename..'.mkv'
 end
 

memes.lua

@@ -503,7 +503,7 @@ local function generate_bait_link()
     return 'https://dcav.pw/jbait'
 end
 
-local curb_your_video  =  require 'curb_your_enthusiasm'
+local curb  =  require 'curb_your_enthusiasm'
 
 --------------------------------------------------------------------------------
 
@@ -520,13 +520,13 @@ function memes.generate_for_message (user, message)
         return 'https://www.youtube.com/watch?v=wl-LeTFM8zo', 'MACHINE'
     end
 
-    do
+    do  -- Curb your enthusiasm
-        local url  =  message:lower():match '^curb%s+your%s+(.+)$'
+        local url  =  message:match '^[Cc]urb%s+[Yy]our%s+(.+)$'
         local url2, timestamp  =  message:match '^(..-)%s+at%s+(-?[%d.]+)$'
         if url2 then  url  =  url2  end
         timestamp  =  timestamp and tonumber(timestamp) or nil
         assert(type(timestamp) == 'number' or timestamp == nil)
-        local video_filename  =  curb_your_video(url, timestamp)
+        local video_filename  =  curb.your_video(url, timestamp)
         local video_url       =  save_file_to_dcav(video_filename)
         return video_url, 'CURB'
     end
@@ -546,8 +546,8 @@ function memes.generate_for_message (user, message)
     do
         -- Attempt to match
         local problem_text
-        for _, pattern in ipairs {  '^(.-)%s+er%s+skrald(.-)$',  '^(.-)%s+is%s+trash(.-)$' } do
+        for _, pattern in ipairs {  '^(.-)%s+[Ee][Rr]%s+[Ss][Kk][Rr][Aa][Ll][Dd](.-)$',  '^(.-)%s+[Ii][Ss]%s+[Tt][Rr][Aa][Ss][Hh](.-)$' } do
-            problem_text  =  message:lower():match(pattern)
+            problem_text  =  message:match(pattern)
             if problem_text then  break  end
         end