作业帮搞不明白这句sed -e 'N;s/.*/[&]/'和awk '{ $0=$1 "\n" $2; if (/line.1/) {print}}'代表什么意思啊?
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/17 09:36:25
![搞不明白这句sed -e 'N;s/.*/[&]/'和awk '{ $0=$1](/uploads/image/z/6763105-1-5.jpg?t=%E6%90%9E%E4%B8%8D%E6%98%8E%E7%99%BD%E8%BF%99%E5%8F%A5sed+-e+%27N%3Bs%2F.%2A%2F%5B%26%5D%2F%27%E5%92%8Cawk+%27%7B+%240%3D%241+%22%5Cn%22+%242%3B+if+%28%2Fline.1%2F%29+%7Bprint%7D%7D%27%E4%BB%A3%E8%A1%A8%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9D%E5%95%8A%3F)
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搞不明白这句sed -e 'N;s/.*/[&]/'和awk '{ $0=$1 "\n" $2; if (/line.1/) {print}}'代表什么意思啊?
搞不明白这句sed -e 'N;s/.*/[&]/'和awk '{ $0=$1 "\n" $2; if (/line.1/) {print}}'代表什么意思啊?
搞不明白这句sed -e 'N;s/.*/[&]/'和awk '{ $0=$1 "\n" $2; if (/line.1/) {print}}'代表什么意思啊?
sed -e 'N;s/.*/[&]/'
把1,2行,3,4行,5,6行（依次类推）用[ ]包起来输出
awk '{$0=$1 "\n" $2; if(/line.1/){print}}'
把原输入每行的第一第二项用换行符链接起来,如果其中有“line.1",则输出