local Source, Target

if(arg(0) == 1) do
	Source = arg(1) ++ "descript.ion"
	Target = Source
else
	Source = arg(1) ++ arg(2) ++ "." ++ arg(3)
	Target = arg(1) ++ arg(2) ++ arg(4) ++ "." ++ arg(3)
endif

if(not validpath(Source)) do
	messagebox("ok error", "File " ++ Source ++ " is missing", "No source file")
	quit
endif

local Str = file.readall(Source)
local v = vec.createfromlines(Str)

if(v <= 0) do
	messagebox("ok error", "Vector not created", "VEC plugin error")
	quit
endif

vec.sortstring(v)
Str = vec.makelines(v)
file.writeall(Target, Str)
vec.unload