我已经使用羽绒被安装了“图像”包
$ luarocks install image
一切都安装成功，没有任何错误。每当我尝试使用它时，都会返回以下错误：
> th> require('image')
>
> /home/khurram/torch/install/share/lua/5.1/trepl/init.lua:384:
> /home/khurram/torch/install/share/lua/5.1/trepl/init.lua:384: module
> 'sys.fpath' not found:No LuaRocks module found for sys.fpath no field
> package.preload['sys.fpath'] no file
> '/home/khurram/.luarocks/share/lua/5.1/sys/fpath.lua' no file
> '/home/khurram/.luarocks/share/lua/5.1/sys/fpath/init.lua' no file
> '/home/khurram/torch/install/share/lua/5.1/sys/fpath.lua' no file
> '/home/khurram/torch/install/share/lua/5.1/sys/fpath/init.lua' no
> file './sys/fpath.lua' no file
> '/home/khurram/torch/install/share/luajit-2.1.0-beta1/sys/fpath.lua'
> no file '/usr/local/share/lua/5.1/sys/fpath.lua' no file
> '/usr/local/share/lua/5.1/sys/fpath/init.lua' no file
> '/home/khurram/.luarocks/lib/lua/5.1/sys/fpath.so' no file
> '/home/khurram/torch/install/lib/lua/5.1/sys/fpath.so' no file
> '/home/khurram/torch/install/lib/sys/fpath.so' no file
> './sys/fpath.so' no file '/usr/local/lib/lua/5.1/sys/fpath.so' no
> file '/usr/local/lib/lua/5.1/loadall.so' no file
> '/home/khurram/.luarocks/lib/lua/5.1/sys.so' no file
> '/home/khurram/torch/install/lib/lua/5.1/sys.so' no file
> '/home/khurram/torch/install/lib/sys.so' no file './sys.so' no file
> '/usr/local/lib/lua/5.1/sys.so' no file
> '/usr/local/lib/lua/5.1/loadall.so' stack traceback: [C]: in function
> 'error' /home/khurram/torch/install/share/lua/5.1/trepl/init.lua:384:
> in function 'require' [string "_RESULT={require "image"}"]:1: in main
> chunk [C]: in function 'xpcall'
> /home/khurram/torch/install/share/lua/5.1/trepl/init.lua:651: in
> function 'repl'
> ...rram/torch/install/lib/luarocks/rocks/trepl/scm-1/bin/th:199: in
> main chunk [C]: at 0x00406670
有人可以帮我吗？我是Torch7和LUA的新手。
PS：我正在运行Ubuntu 14.04，并已根据官方说明安装了Torch7，其他所有工作均正常。
最佳答案
打同样的问题。在做
luarocks install sys
也为我工作。不知道安装映像时sys发生了什么。