error

[SeekPoint]

rzai@rzai00:~/prj/VerySimpleChunker$ tree
.
├── data
│   ├── data.t7
│   ├── model.t7
│   ├── output.txt
│   ├── sample.txt
│   ├── test.txt
│   ├── train+test.txt
│   └── train.txt
├── output.txt
├── parse.lua
├── preprocess.lua
├── README.md
├── train.lua
└── util.lua

1 directory, 13 files
rzai@rzai00:/prj/VerySimpleChunker$
rzai@rzai00:/prj/VerySimpleChunker$
rzai@rzai00:/prj/VerySimpleChunker$
rzai@rzai00:/prj/VerySimpleChunker$
rzai@rzai00:/prj/VerySimpleChunker$ th parse.lua data/sample.txt > data/output.txt
/home/rzai/torch/install/bin/luajit: parse.lua:21: attempt to index global 'util' (a boolean value)
stack traceback:
parse.lua:21: in function 'parse'
parse.lua:46: in main chunk
[C]: in function 'dofile'
...rzai/torch/install/lib/luarocks/rocks/trepl/scm-1/bin/th:145: in main chunk
[C]: at 0x00406670
rzai@rzai00:/prj/VerySimpleChunker$