Get the 2nd to N Number of Lines in Bash

shell – Bash tool to get nth line from a file – Stack Overflow

stackoverflow.comIf you got multiple lines by delimited by \n (normally new line). You can use ‘cut’ as well: echo "$data" | cut -f2 -d$’\n‘ You will get the 2nd line from the file. -f3 gives you the 3rd line.

https://stackoverflow.com/questions/6022384/bash-tool-to-get-nth-line-from-a-file

3 ways to get the Nth Line of a File in Linux – Big Datums

bigdatums.net

http://bigdatums.net/2016/02/22/3-ways-to-get-the-nth-line-of-a-file-in-linux/

How to Get Current Date and Time in Bash/Shell Script …

tecadmin.netJun 06, 2019 · The date command is the part of the Linux Coreutils package. This tutorial will help you to get the current date and time in a shell script. Uses of date Command: Simple date command returns the current date and time with the current timezone set in your system. date Mon Mar 6 14:40:32 IST 2019 You can also store the output of command in a …

https://tecadmin.net/get-current-date-and-time-in-bash/

bash – Calculating the number of lines in a file? – Ask Ubuntu

askubuntu.comTo count the number of lines: -l. wc -l myfile.sh To count the number of words: -w. wc -w myfile.sh See man wc for more options. … You can also output the entire file with line numbers in front of every line using the command below: cat –n myfile share | improve this answer | follow |

https://askubuntu.com/questions/442914/calculating-the-number-of-lines-in-a-file

How To Add Line Numbers To Text Files On Linux – OSTechNix

ostechnix.com

https://ostechnix.com/add-line-numbers-text-files-linux/

Linux/Unix: Cat Command Display Line Numbers – nixCraft

cyberciti.bizAug 13, 2017 · cat –number foo.c | more OR cat –number foo.c | less The -b / –number-nonblank option number all nonempty output lines, starting with one and the syntax is: catb fileNameHere OR cat –number–nonblank filename Finally, you suppress or remove repeated empty output lines with the -s / –squeeze-blank option: cat -s -n fileNameHere cat -s -n /etc/resolv.conf Sample outputs:

https://www.cyberciti.biz/faq/cat-line-numbers-and-ranges-under-unix-linux/

count lines in a file – Unix & Linux Stack Exchange

unix.stackexchange.comIt is not the count of wc that will be off by one, but your count: While in Windows (and DOS before it), the CR/LF sequence is a line separator, on Unix the LF character is a line terminator. That is, without a newline at the end, you don’t have a line (and strictly speaking, …

https://unix.stackexchange.com/questions/4478/count-lines-in-a-file

14 tail and head commands in Linux/Unix – Linux.com

linux.comMar 27, 2016 · Example 2: Now what about you are interested in just the last 3 lines of a file, or maybe interested in the last 15 lines of a file. this is when the –n option comes handy, to choose specific number of lines instead of the default 10.

https://www.linux.com/training-tutorials/14-tail-and-head-commands-linuxunix/

second line of the file – Unix

unix.comOnly the frist line is stored in FRIST .. the SECOND is empty. Where I m I going wrong ?

https://www.unix.com/shell-programming-and-scripting/88263-second-line-file.html

How to Use Regular Expressions (regexes) on Linux

howtogeek.com

https://www.howtogeek.com/661101/how-to-use-regular-expressions-regexes-on-linux/

How to Read a File Line By Line in Bash | Linuxize

linuxize.comSep 18, 2019 · When reading file line by line, you can also pass more than one variables to the read command which will split the line into fields based on the IFS. The first field is assigned to the first variable, the second to the second variable, and so on. If there are more fields than variables, the leftover fields are assigned to the last variable.

https://linuxize.com/post/how-to-read-a-file-line-by-line-in-bash/

Write a bash script to print a particular line from a file …

geeksforgeeks.orgSep 26, 2017 · Given a file, name file.txt, out task is to write a bash script which print particular line from a file. Content of file.txt: I love reading articles at geeks for geeks … 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. To print 4th …

https://www.geeksforgeeks.org/write-bash-script-print-particular-line-file/

How to extract a number from a string using Bash example …

linuxconfig.orgDec 20, 2016 · Here a listed few of many ways how to extract number from a string. For all the examples below we will use sentence I am 999 years old. where the aim is to exctract nunber 999.Let’s start by using tr command: $ NUMBER=$(echo "I am 999 years old."

https://linuxconfig.org/how-to-extract-a-number-from-a-string-using-bash-example

Bash read builtin command help and examples

computerhope.com

https://www.computerhope.com/unix/bash/read.htm

Linux wc Command – Count of Words, Lines, Characters in a …

journaldev.comThe wc command as described can be used to get the number of newlines, words or bytes contained in a file specified. The output will contain the number of newlines, words or bytes (file-wise, in case multiple files are inputted) followed by a “total” line in the end which will show the total sum of the words, newlines or bytes in all files.

https://www.journaldev.com/30187/linux-wc-command-word-count-lines-character-file

How to Delete Lines from a File Using the sed Command …

2daygeek.comSep 14, 2019 · Similar to first command here we delete the third line in sed-demo.txt file by mentioning the line number 3 as part of the command. # sed ‘3d’ sed-demo.txt After deletion: 1 Linux Operating System 2 Unix Operating System 4 Red Hat 5 Fedora 6 Arch Linux 7 …

https://www.2daygeek.com/linux-remove-delete-lines-in-file-sed-command/

How to display certain lines from a text file in Linux …

serverfault.comUse the following command to get the particular range of lines . awk ‘NR < 1220974{next}1;NR==1513793{exit}’ debug.log | tee -a test.log Here debug.log is my file which consists of a lacks of lines and i used to print the lines from 1220974 line number to 1513793 to a file test.log. hope it ll helpful for capturing the range of lines.

https://serverfault.com/questions/133692/how-to-display-certain-lines-from-a-text-file-in-linux

How to Generate a Random Number in Linux – Putorius

putorius.net$ od -A n -t d –N 1 /dev/urandom 46 Using the RANDOM Shell Variable in Bash Script. Here is an example of how to use this in a bash script. Guess My Number Bash Script. Here is a fun exercise for those trying to learn scripting. It touches on a bunch of concepts like variables, while loops, if statements, arrays and uses a random number. #!/bin …

https://www.putorius.net/generate-random-number-linux.html

How to Use Awk and Regular Expressions to Filter Text or …

tecmint.comJun 01, 2016 · In the example below, the first command prints out all line in the file, the second command prints out nothing because I want to match a line that has $25.00, but no escape character is used. The third command is correct since a an escape character has been used to read $ as it is.

https://www.tecmint.com/use-linux-awk-command-to-filter-text-string-in-files/

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