Shell Script : test commnad or [ expr] (Zz)
摘要：
test command or [ expr ]test command or [ expr ] is used to see if an expression is true, and if it is true it return zero(0), otherwise returns nonzero for false. Syntax: test expression OR [ expres... 阅读全文
posted @ 2010-11-18 11:38 胡是 阅读(976) 评论(0) 推荐(0) 编辑
