请教文本替换的问题，谢谢！

oldoger

这话说得，无语

blackold

另一种思路，学习!

david2878

学习中

sunbw001

awk -F '' 'BEGIN{OFS=""}{for(i=1;i<=NF;i++){if($i~" "){$i=""};if($i~"="){break}}print $0}'  file

xixi_lala123

Are you aware of why you always lack of  wow gold? You don't have enough time to do the  wow power leveling for your wow account? I see. I see, all of us can understand the  world of warcraft gold is the hot topic in our mmogames realm. And how the get the cheap wow gold, there are so many WoW Gold tips to help how to do WoW Power Leveling. and there also have some online shop like gamevive(http://www.gamevive.com) sell the wow gold, Darkfall gold, Darkfall gold, and warhammer gold. and they also have Darkfall cd key, Darkfall cd key, Darkfall power leveling, Darkfall power leveling and warhammer power leveling service.
By the way, do you like to buy jordan shoes online? i think the answer is if you are nike shoes and basketball shoes collection fan. Then what about tiffany? I think ladies should know that hua!

isunmoon

原帖由 fhmdgxs 于 2009-3-7 17:24 发表
cat ufile|sed 's/=/=\n/'|sed '/=/s/ //g'|sed -n 'N;s/\n//;p'

能请问一下sed中的N是什么意思么??