英文:
Find lines that contain two different strings and then write these lines into output file using sed
问题
The issue with your command is that the | character in the regular expression is being treated as a literal character rather than an OR operator. To find lines that contain both "clk_a" and "clk_b," you should use \| instead of | within the regular expression. Here's the corrected command:
sed -n '/clk_a.*clk_b\|clk_b.*clk_a/w OUTFILE' INFILE
This command should correctly find lines that contain both "clk_a" and "clk_b" and write them to the "OUTFILE."
英文:
I want to find lines that contain two different strings, then write these lines into an output file.
INFILE be like:
clk_a,start_point,end_point,clk_b,0.5
clk_b,start_point,end_point,clk_a,0.5
clk_a,start_point,end_point,clk_c,0.5
clk_a,start_point,end_point,clk_d,0.5
I use the following command to find the desired lines, but it doesn't work. What's wrong with my command?
sed -n '/clk_a.*clk_b|clk_b.*clk_a/w OUTFILE' INFILE
答案1
得分: 1
这可能适用于你（GNU sed）：
sed -n '/start/,/end/w outFile' file
或者
sed -n '/first/!b;/second/!b;w outFile' file
第一种解决方案将写出所有位于 start 和 end 之间的行，包括包含 start 和 end 的行。
第二种解决方案将写出同时包含 first 和 second 的所有行。
注：如果模式在文件中多次出现，所有出现都将被输出。
第二种解决方案可以缩短：
sed -n '/first/!b;/second/w outFile' file
如果你想要匹配 first 或 second 以及 third：
sed -n '/first\|second/!b;/third/w outFile' file
或者
sed -n '/first/ba;/second/!b;/third/!b;:a;w outFile' file
取决于你想放置括号的位置。
英文:
This might work for you (GNU sed):
sed -n '/start/,/end/w outFile' file
or
sed -n '/first/!b;/second/!b;w outFile' file
The first solution will write out all lines between start and end including the lines containing start and end.
The second solution will write out all lines containing both first
and second.
N.B. If the pattern occurs multiple times within the file all occurrences will be output.
The second solution could be shortened:
sed -n '/first/!b;/second/w outFile' file
If you were want first or second and third:
sed -n '/first\|second/!b;/third/w outFile' file
or
sed -n '/first/ba;/second/!b;/third/!b;:a;w outFile' file
depending on where you were to place parenthesis.
通过集体智慧和协作来改善编程学习和解决问题的方式。致力于成为全球开发者共同参与的知识库，让每个人都能够通过互相帮助和分享经验来进步。
评论