Contents
How do you display the 10th line of a file in Unix shell script?
Type the following head command to display first 10 lines of a file named “bar.txt”:
- head -10 bar.txt.
- head -20 bar.txt.
- sed -n 1,10p /etc/group.
- sed -n 1,20p /etc/group.
- awk ‘FNR <= 10’ /etc/passwd.
- awk ‘FNR <= 20’ /etc/passwd.
- perl -ne’1..10 and print’ /etc/passwd.
- perl -ne’1..20 and print’ /etc/passwd.
How do I print a specific line using sed?
In this article of sed series, we will see how to print a particular line using the print(p) command of sed. Similarly, to print a particular line, put the line number before ‘p’. $ indicates the last line. !
How do I display the first few lines of a file in Unix?
To look at the first few lines of a file, type head filename, where filename is the name of the file you want to look at, and then press . By default, head shows you the first 10 lines of a file. You can change this by typing head -number filename, where number is the number of lines you want to see.
How to print nth word in line Linux?
In this recipe, we will see how to do this. How to do it… The most widely-used method is to use awk for doing this task. It can be also done using cut. We can also print multiple columns and insert our custom string in between columns.
Which is the nth line in a file?
According to my tests, in terms of performance and readability my recommendation is: N is the line number that you want. For example, tail -n+7 input.txt | head -1 will print the 7th line of the file. tail -n+N will print everything starting from line N, and head -1 will make it stop after one line.
How to print nth line after matching line?
You can try the -A option with grep, which specifies how many lines after the matching line should be printed. Couple this with sed, and you would get the required lines. Using sed, we delete the from the second line until the fourth. I’m simply adding a deletion of the appropriate lines, before printing { 3,5d ; p }.
How to print a particular line from a file?
The output of following lines will be “articles”. Suppose we have two files, file1.txt and file2.txt, We can use the above commands and print particular line from multiple files by ‘&’. This article is contributed by Sahil Rajput.
https://www.youtube.com/watch?v=QVbiyvECGZ8