Quick Answer: How do I print the last 10 lines of a file in Linux?

Quick Answer: How do I print the last 10 lines of a file in Linux?

To see the last lines of a file, use the tail command. tail works the same way as head: type tail and the filename to see the last 10 lines of that file, or type tail -number filename to see the last number of lines in the file.

How do I print the first 10 lines of a file in Linux?

Enter the following header command to display the first 10 lines of a file named “bar.txt”:

  1. head -10 bar.txt.
  2. head -20 bar.txt.
  3. sed -n 1.10p / etc / group.
  4. sed -n 1.20p / etc / group.
  5. awk ‘FNR <= 10' / etc / passwd.
  6. awk ‘FNR <= 20' / etc / passwd.
  7. perl -ne’1..10 and print ‘/ etc / passwd.
  8. perl -ne’1..20 and print ‘/ etc / passwd.

How do you print a variety of lines in Linux?

Print a given range of lines using sed

Sed is a flow editor. A flow editor is used to perform basic text transformations on an input flow (a file or input to a pipeline). Above is the example of the sed command to print the range from 5 to 10, from 1 to 20 lines. The -n option is to print ‘n’ number of lines.

How do I see the end of a file in Linux?

The tail command is a basic Linux utility used to view the end of text files. You can also use trace mode to see new lines as they are added to a file in real time. tail is similar to the head utility, which is used to see the beginning of files.

How do I display the 10th line of a file?

Here are three great ways to get the nth line of a file in Linux.

  1. the head of the tail. Simply using the combination of the head and tail commands is probably the easiest approach. …
  2. thirst. There are a couple of nice ways to do this thirsty. …
  3. awk. awk has a built-in NR variable that keeps track of file / stream row numbers.

What command will print all the lines in the file?

Printing lines from a file using sed

command sed “p” allows us to print specific lines based on the line number or the provided regular expression. sed with the -n option will suppress automatic pattern buffer / space printing.

How do you break some lines in Unix?

The cut command on UNIX it is a command to cut sections from each line of files and write the result to standard output. It can be used to cut parts of a line by byte, character, and field position. Basically the cut command cuts a line and extracts the text.

How do you find the end of a file?

You also can use ifstream object ‘end’ which returns 0 at end of file or you can use eof () which is a member function of the ios class. Returns a non-zero value at the end of the file.

How do I copy a file in Linux?

The Linux cp command it is used to copy files and directories to another location. To copy a file, specify “cp” followed by the name of a file to copy. Then specify the location where the new file should appear. The new file does not have to have the same name as the one you are copying.

How do I redirect the number of lines in Unix?

You can use the -l flag count lines. Run the program normally and use a pipe to redirect to wc. Alternatively, you can redirect your program’s output to a file, say calc. and run wc on that file.

How do we go to the beginning of a line?

To navigate to the beginning of the current line: “CTRL + a”. To navigate to the end of the current line: “CTRL + e”.

How do you find the last 10 lines of a file on Unix?

To see the last lines of a file, use the tail command. tail works the same way as head: type tail and the filename to see the last 10 lines of that file, or type tail -number filename to see the last number of lines in the file. Try using tail to look at the last five lines of your.

How do I list the first 10 files in Linux?

The ls command you even have options for that. To list files in as few lines as possible, you can use –format = comma to separate file names with commas as in this command: $ ls –format = comma 1, 10, 11, 12, 124, 13, 14 , 15, 16pgs-landscape.

Conclusion

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