目录1.字符串拼接2.定义值为双引号或单引号的字符串3.在单引号和双引号字符串中取变量值最近在工作用到shell脚本，用到了字符串变量的拼接，同时需要对字符串进行赋值，这里与大家分享一下，
I would like to ditch SVN for Git. My current SVN repository setup has projects under trunk (/trunk/projecta, /trunk/projectb, etc. with tags and branches at /tags/projecta-1.0, etc.). I would like to
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