sed基本用法（图片）-大宝天天见-51CTO博客
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sed基本用法（图片）
练习
1.把Jon的名字改成Jonathan
sed -i 's/Jon/Jonathan/g' datafile2
2.删除头三行
sed '1,3d’ datafile2
3.显示5-10行
sed -n '5,10p' datafile2
4.删除包含Lane的行
sed '/Lane/d' datafile2
5.显示所有生日在November-December之间的行
sed -nr '/:(11|12)\//p' datafile2
6.把三个星号()添加到也Fred开头的行
sed '/^Fred/i' datafile2
7.用JOSE HAS RETIRED取代包含Jose的行
sed 's/Jose/JOSE HAS RETIRED/g' datafile2
8.把Popeye的生日改成11/14/46
sed 's#3/19/35#11/14/46#g' datafile2
9.删除所有空白行
sed '/^$/d' datafile2
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