摘要：
Double quotes will remove the special meaning of all characters except the following: $ variable Substitution. ` Backquotes \$ Literal Dollar Sign. \´ Literal Backquote. \” Embedded Doublequote. \\ Embedded Backslashes.echo $var, echo "$var", echo '$var'区别echo $var会将$var内的内容用空 阅读全文
posted @ 2011-10-28 09:20 douyamumu 阅读(121) 评论(0) 推荐(0)
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