Unix how many lines in a file

Add a comment. Active Oldest Votes. Improve this answer. Mike 1, 17 17 silver badges 34 34 bronze badges. That's useful for log files for example. Beware that wc -l counts "newlines". If you have a file with 2 lines of text and one "newline" symbol between them, wc will output "1" instead of "2". Show 9 more comments. Davis Broda 4, 5 5 gold badges 23 23 silver badges 36 36 bronze badges.

Lauro Oliveira Lauro Oliveira 2, 1 1 gold badge 18 18 silver badges 12 12 bronze badges. Oddly sometimes the grep -c works better for me. Mainly due to wc -l annoying "feature" padding space prefix. Additionally when your last line does not end with an LF or CRLF wc -l gives out a wrong number of lines as it only counts line endings. John Kugelman John Kugelman k 65 65 gold badges silver badges bronze badges.

Yes, but wc -l file gives you the number of lines AND the filename to get just the filename you can do: filename. Using the GNU grep -H argument returns filename and count. I voted this solutions because wc -l counts newline characters and not the actual lines in a file. All the other commands included in this answer will give you the right number in case you need the lines.

If you want to check the total line of all the files in a directory ,you can use find and wc: find. Vivin Paliath Vivin Paliath As an example, let's have look at the following file.

The man page is relatively clear about wc counting newlines, with a newline just being a 0x0a character: NAME wc - print newline, word, and byte counts for each file Hence, wc doesn't even attempt to count what you might call a "line". This solution is both more robust and precise, and it supports all the different flavors of what a line in your file could be: POSIX 3. Chiru Chiru 2, 1 1 gold badge 16 16 silver badges 28 28 bronze badges.

This should be the accepted asnwer. Not only because it is correct but also because grep is more that twice faster than wc. Wow, this is a good answer. Very nice: you might want to comment on this — kvantour. However, wc -l test. You can use:. 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. How can I find out how many lines a text file contains without viewing it? Asked 9 years, 10 months ago. Active 5 years, 1 month ago. Viewed k times. Improve this question. Kevin Ivan Ivan Transpose lines from individual blocks to unique lines. Hello to all, happy new year !

May somebody could help me, is about a very similar problem to the problem I've posted here where the member rdrtx1 and bipinajith helped me a lot.

I've got a text file full of hundreds of events in this format: Record Number : 1 Records in Seq Change unique file names into new unique filenames. I have 84 files with the following names splitseqs. In a huge file, Delete duplicate lines leaving unique lines. Hi All, I have a very huge file 4GB which has duplicate lines. I want to delete duplicate lines leaving unique lines. Sort, uniq, awk '! I dont know if this works : I want to read each line of the File in a For Loop, and want to Hi all!

Im wondering if its possible to remove all lines between two lines. I have an archive file that holds a batch of statements. I would like to be able to extract a certain statement based on the unique customer ie.

Use the nl command line numbering filter to get each line numbered. The syntax for the command is:. Not so direct way to get line count. But you can use awk or sed to get the count from last line. For example:.