-- 替换 空格和左圆括号为x1
sed -i 's/ (/x1/' 0928.txt
-- 替换 右园括号和空格和左中括号为x1
sed -i 's/) [/x1/' 0928.txt
2017-09-28 09:46:10.179 (5352) [50001] LOG:create global entity [RewardManager, 8]
目标替换 (5352) [50001] LOG 为x15352x150001LOG
2017-09-28 09:46:10.179x15352x150001LOG:create global entity [RewardManager, 8]
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TEST:sed里面(不需要转义符,但是正则表达式的要转义符
====================
echo ' (5352) [50001] LOG' | sed 's/( ()([0-9]*)() [)([0-9]*)(] )LOG/x12x14x1LOG/g'
echo ' (5352) [50001] LOG' | sed 's/( ()([0-9]*)/x12/'
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直接只去需要的LOG。cat选择特定日期的文件,grep选择特定的行,
awk把前面4列去掉,再用sub把“LOG:”和之前的空格替换掉,这样某行剩下的数据都是需要的
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cat hall.20001.log.2017-9-28 | grep '2017-.*LOG:.*|.*' | awk '{$1="";$2="";$3="";$4="";sub(" LOG:", "");print}' > 20001.txt