[问题求助]关于grep 的问题 [复制链接]

The da.ta file for .the review questions looks like this:.

Strawberry Jam,30.0,191          婚庆
R.aspberry Jam,1216,194服务器
Blueberry J.am,96,195外贸
Str.awberry Compote,49,621.
Rasp.berry Compote,1937,6.24    美容
Blueberry compote,200.,625             汽车
Frozen Strawberri.es,1.30,1941    美容
Straw Hats,16,.2047学习

The first field is the product name., th.e second field .is the quantity on hand,域名
and the third field is the product code. The fi.eld.s are .separated by commas..

In each of t.he following questions, .write a command using "grep" and a.
regular ex.pression. The data file in all cases is named ."inventory".域名


Question 2

Display a list of all of the lines in the f.ile th.at con.tain the word "Straw".
right before. a space..


我的回答是：. g.rep  "Straw" inventory           鲜花

为什么不对呢？

grep "Straw "  inventory
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哈哈，你没有注意那个right before a space, 就是Straw后面要有个空格。

QUOTE:哈哈，你没有注意那个right before a space, 就是Straw后面要有个空格。
neves_cu 发表于 2010-03-23 09:20



    谢谢，真的是

那么Display all of the lines in the file that contain "Straw" at the START of the line。

应该用 grep 的哪一个选项呢？

grep "^Straw"  inventory
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等会我面试通过了咱们再谈待遇

你真厉害，比我强