Hi I want to remove entries with blank spaces in my input file: Hi Friends, I have large volume of data file as shown below. Beganing or end of each filed, there are some blank spaces. How do I remove those spaces? Remove blank spaces in a text file Hi, I have this problem that there are blank spaces in my text file I tried sed I want to remove blank spaces in file.
Please let me know how can i do that by RedHat Commands. OpenSolaris Commands. Linux Commands. SunOS Commands. FreeBSD Commands. Full Man Repository. Please leave a comment to start the discussion. Please keep in mind that all comments are moderated and your email address will NOT be published. Save my name, email, and website in this browser for the next time I comment. Notify me of followup comments via e-mail. You can also subscribe without commenting.
This site uses Akismet to reduce spam. Learn how your comment data is processed. With that said, below are means of clearing file content from the command line.
If you liked this article, then do subscribe to email alerts for Linux tutorials. If you have any questions or doubts? Related Posts. Vinod There should be a way but we have to do a little research about this before we can give you a solution.
How to specify this condition if log file size grows 2GB then clear one-month-old data.. Problem is file automatically create or delete Dynamic file are creating Reply. At the moment, I only used the redirect methods I mentioned at the start of my post. To replace the contents of the file blah.
This command makes sense as it is using standard UNIX redirection to place the contents of one file a known empty one to another file. Another way to do this, although a less obvious way and probably less readable in a shell script by others, is. Your participation helps us to help others. The downside of grep. The other solutions can preserve the original colors. Compare unbuffer apt search foo grep. Show 4 more comments.
Kamil Kisiel Kamil Kisiel This command does not produce the same output as OP requested it produces 5 lines, not 4. You can use the -v option with grep to remove the matching empty lines. I don't believe you need the -E , at least not with GNU grep, but apart from that I'm so pleased to see this done with grep!
It's what I reach for in preference to sed, every time; in-line filters seem to me to be better than in-line editors. Here is an awk solution: awk NF file. Zombo Zombo 1, 16 16 silver badges 18 18 bronze badges.
To remove empty lines, you could squeeze new line repeats with tr : cat file. This produces 6 lines, not 4 as OP requested. Without modifying the file just print on the standard output : cat test.
Sign up or log in Sign up using Google.
0コメント