Question: How do I print the nth line in Linux?

How do you find the nth line in Linux?

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

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

How do you print the nth line in Unix?

5 Sed ADDRESS Format Examples

  1. This will match only Nth line in the input. …
  2. M~N with “p” command prints every Nth line starting from line M. …
  3. M,N with “p” command prints Mth line to Nth line. …
  4. $ with “p” command matches only the last line from the input. …
  5. N,$ with “p” command prints from Nth line to end of file.

14 сент. 2009 г.

How do I print a specific line in Linux?

Related Articles

  1. awk : $>awk ‘{if(NR==LINE_NUMBER) print $0}’ file.txt.
  2. sed : $>sed -n LINE_NUMBERp file.txt.
  3. head : $>head -n LINE_NUMBER file.txt | tail -n + LINE_NUMBER Here LINE_NUMBER is, which line number you want to print. Examples: Print a line from single file.

26 сент. 2017 г.

What is the Print command in Linux?

The lp command is used to print files on Unix and Linux systems. … The name “lp” stands for “line printer”.

How do I display a line from a text file in Linux?

How to Display Specific Lines of a File in Linux Command Line

  1. Display specific lines using head and tail commands. Print a single specific line. Print specific range of lines.
  2. Use SED to display specific lines.
  3. Use AWK to print specific lines from a file.

2 авг. 2020 г.

How do you select a line in Linux?

Press Shift+End for the end of the line. If you want to copy the whole line from first to last simply place the cursor somewhere in that line and hit CTRL+C. Press Home key to get to the start of the line. For Selecting multiple lines, use Up/Down key.

What command will print all lines in the file?

Printing Lines from a File using sed

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

What is P in sed command?

In sed, p prints the addressed line(s), while P prints only the first part (up to a newline character n ) of the addressed line. … Both commands do the same thing, since there is no newline character in the buffer.

How do I print line numbers in awk?

1 Answer

  1. grep -n ‘bla’ file.
  2. alternatively awk : awk ‘/bla/{print NR”:”$0}’ file.
  3. alternatively perl : perl -ne ‘print $.,”:”,$_ if /bla/’ file.
  4. alternatively sed : sed ‘/bla/!d;=’ file |sed ‘N;s/n/:/’

25 авг. 2015 г.

How do I show the number of lines in a file in Unix?

How to Count lines in a file in UNIX/Linux

  1. The “wc -l” command when run on this file, outputs the line count along with the filename. $ wc -l file01.txt 5 file01.txt.
  2. To omit the filename from the result, use: $ wc -l < file01.txt 5.
  3. You can always provide the command output to the wc command using pipe. For example:

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

Type the following head command to display 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.

18 дек. 2018 г.

How do you copy a line in Linux?

If the cursor is at the start of the line, it will cut and copy the entire line. Ctrl+U: Cut the part of the line before the cursor, and add it to the clipboard buffer. If the cursor is at the end of the line, it will cut and copy the entire line. Ctrl+Y: Paste the last text that was cut and copied.

How do I list all printers in Linux?

The Command lpstat -p will list all available printers for your Desktop .

How do I find printer services in Linux?

How to Check the Status of Printers

  1. Log in to any system on the network.
  2. Check the status of printers. Only the most commonly used options are shown here. For other options, see thelpstat(1) man page. $ lpstat [ -d ] [ -p ] printer-name [ -D ] [ -l ] [ -t ] -d. Shows the system’s default printer. -p printer-name.

How do you use the Print command?

The following options are allowed only the first time you run the PRINT command: /D (device) – Specifies the print device. If not specified, PRINT will prompt you to enter the name of a print device.

Like this post? Please share to your friends:
OS Today