shell变量替换

 

MARK

 

//TODO

http://www.360doc.com/content/12/0419/14/496343_204908029.shtml

http://www.cnblogs.com/fhefh/archive/2011/04/22/2024750.html

http://jianlee.ylinux.org/Computer/Shell/parameter_substitution.html

 

//${var#parttern} 通配符

http://www.chinaunix.net/old_jh/24/399487.html