sed地址模式

Question

我想仅在前面有omg的条目中将'line'更改为'row'。你知道怎么做吗？

pluto% cat test
omg this is 1st line
omg this is 2nd line
omg this is 3rd line
this is 4th line
omg this is 5th line

Answer 1

这应该这样做：

sed -e '/^omg/s/line/row/'