zbar barcodeでバーコードを読み取る

gistfile1.txt

# env

ubuntu12

# install

```bash
sudo apt-get install libzbar0
sudo apt-get install libv4lconvert0
sudo apt-get install zbar-tools
```

# use

```bash
$ zbarimg 写真\ 2014-05-07\ 12\ 02\ 46.jpg 
EAN-13:1923055028005
EAN-13:9784873115863
scanned 2 barcode symbols from 1 images in 0.4 seconds

```

trimingも不要みたい