Fix #20

2pdf.lua

@@ -3,7 +3,13 @@
 -- The first time this is run (on Windows), a dialog will appear.
 --  Uncheck the "always show this" thing and click Install.
 
-local error_occurred, utility = pcall(function() return dofile(arg[0]:match("@?(.*/)") or arg[0]:match("@?(.*\\)") .. "utility-functions.lua") end) if not error_occurred then error("\n\nThis script is installed improperly. Follow instructions at:\n\thttps://github.com/TangentFoxy/.lua-files#installation\n") end
+local success, utility = pcall(function()
+  return dofile((arg[0]:match("@?(.*/)") or arg[0]:match("@?(.*\\)")) .. "utility-functions.lua")
+end)
+if not success then
+  print("\n\n" .. tostring(utility))
+  error("\n\nThis script may be installed improperly. Follow instructions at:\n\thttps://github.com/TangentFoxy/.lua-files#installation\n")
+end
 
 local for_files = utility.ls()
 os.execute("mkdir 2pdf-output")

2webm.lua

@@ -16,7 +16,14 @@ if arg[1] and arg[1]:find("help") then
   return false
 end
 
-local error_occurred, utility = pcall(function() return dofile(arg[0]:match("@?(.*/)") or arg[0]:match("@?(.*\\)") .. "utility-functions.lua") end) if not error_occurred then error("\n\nThis script is installed improperly. Follow instructions at:\n\thttps://github.com/TangentFoxy/.lua-files#installation\n") end
+local success, utility = pcall(function()
+  return dofile((arg[0]:match("@?(.*/)") or arg[0]:match("@?(.*\\)")) .. "utility-functions.lua")
+end)
+if not success then
+  print("\n\n" .. tostring(utility))
+  error("\n\nThis script may be installed improperly. Follow instructions at:\n\thttps://github.com/TangentFoxy/.lua-files#installation\n")
+end
+
 utility.required_program("ffmpeg")
 
 local threads = tonumber(arg[1]) or arg[1] or 1

720p.lua

@@ -19,7 +19,14 @@ if arg[1] and arg[1]:find("help") then
   return false
 end
 
-local error_occurred, utility = pcall(function() return dofile(arg[0]:match("@?(.*/)") or arg[0]:match("@?(.*\\)") .. "utility-functions.lua") end) if not error_occurred then error("\n\nThis script is installed improperly. Follow instructions at:\n\thttps://github.com/TangentFoxy/.lua-files#installation\n") end
+local success, utility = pcall(function()
+  return dofile((arg[0]:match("@?(.*/)") or arg[0]:match("@?(.*\\)")) .. "utility-functions.lua")
+end)
+if not success then
+  print("\n\n" .. tostring(utility))
+  error("\n\nThis script may be installed improperly. Follow instructions at:\n\thttps://github.com/TangentFoxy/.lua-files#installation\n")
+end
+
 utility.required_program("ffmpeg")
 
 local tune

test.lua

@@ -1,8 +1,12 @@
 #!/usr/bin/env luajit
 
--- if utility-functions.lua has an error, this won't show it, so for testing purposes, I don't use it here
+local success, utility = pcall(function()
--- local error_occurred, utility = pcall(function() return dofile(arg[0]:match("@?(.*/)") or arg[0]:match("@?(.*\\)") .. "utility-functions.lua") end) if not error_occurred then error("\n\nThis script is installed improperly. Follow instructions at:\n\thttps://github.com/TangentFoxy/.lua-files#installation\n") end
+  return dofile((arg[0]:match("@?(.*/)") or arg[0]:match("@?(.*\\)")) .. "utility-functions.lua")
-utility = dofile(arg[0]:match("@?(.*/)") or arg[0]:match("@?(.*\\)") .. "utility-functions.lua")
+end)
+if not success then
+  print("\n\n" .. tostring(utility))
+  error("\n\nThis script may be installed improperly. Follow instructions at:\n\thttps://github.com/TangentFoxy/.lua-files#installation\n")
+end
 
 print("---")