Awk what is fnr

Learn more. Ask Question. Asked 6 years, 2 months ago. Active 1 year, 10 months ago. Viewed k times. I am learning file comparison using awk. What exactly does it do? Improve this question. Amit Amit 1, 2 2 gold badges 8 8 silver badges 3 3 bronze badges.

See Two-file Processing on backreference. Add a comment. Active Oldest Votes. Improve this answer. Tom Fenech Tom Fenech So for someone unfamiliar with awk, such as this asker, it seems reasonable to ask if they're the same. ToddWalton Good point! WalterA yes that's true in Bash, at least. I want to use WINE. I have some confusions with it. Can I install standalone Windows application directly on Linux if its not Dual boot? Please explain. NR: The ordinal number of the current record from the start of input.

Who can explain it for me? And give me an example. Thanks 1 Reply. RedHat Commands. OpenSolaris Commands. Linux Commands. SunOS Commands. Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group.

Create a free Team What is Teams? Learn more. Need to understand below awk command to find missing lines in a file Ask Question. Asked 4 years, 1 month ago.

Active 4 years, 1 month ago. Viewed 2k times. Improve this question. Add a comment. Active Oldest Votes. The script outputs any line in the second file that does not occur in the first file.

See the comm manual on your system for further information. If the lines from file2. If you still find it difficult to understand the command, we can again it into a few parts:.

In this article , we have already discussed about how we can print all lines in file1 that do not appear in file2 using awk.

Now it is clear that the command will show all lines in all. Your email address will not be published. Save my name, email, and website in this browser for the next time I comment.