统计文件行数（单个文件）：

wc -l file

例如：

homer@ubuntu:~/workspace/Android/game$ wc -l LGameAndroid2DActivity.Java

906 LGameAndroid2DActivity.java

统计目录所有文件行数（全部目录）：

find . -name *.java | xargs wc -l

例如：

homer@ubuntu:~/workspace/android$ find . -name *.java | xargs wc -l

817 ./game/core/LHandler.java

140 ./game/core/LFlicker.java

...

515 ./game/utils/collection/ArrayMap.java

162 ./game/utils/CollisionUtils.java

178 ./game/utils/NumberUtils.java

68753 total

统计目录并按行数排序（按行大小排序）：

find . -name *.java | xargs wc -l | sort -n

homer@ubuntu:~/workspace/android$ find . -name *.java | xargs wc -l | sort -n

25 ./game/action/sprite/Collidable.java

26 ./game/core/graphics/component/CollisionQuery.java

27 ./game/core/graphics/filter/ImageFilter.java

28 ./game/LMode.java

...

1467 ./game/core/geom/Path2D.java

1919 ./game/core/graphics/Screen.java

2417 ./game/core/graphics/device/LGraphics.java

3050 ./game/core/geom/AffineTransform.java

68753 total

统计目录并按行数排序（按行文件名排序）：

find . -name *.java | xargs wc -l | sort -k2

homer@ubuntu:~/workspace/android$ find . -name *.java | xargs wc -l | sort -k2

210 ./game/action/ActionControl.java

116 ./game/action/ActionEvent.java

34 ./game/action/ActionListener.java

....

178 ./game/utils/NumberUtils.java

342 ./game/utils/RecordStoreUtils.java

58 ./game/utils/ScreenUtils.java

650 ./game/utils/StringUtils.java

68753 total