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How to monitor new lines in a file in PowerShell

Posted by Alex On September 21, 2024

How to set up notifications for new lines in a file If you need to monitor logs (journals) in which new lines appear, then Windows has a convenient tool for this. You do not need to install or configure anything additionally – everything you need is already available on all current versions of Windows. You can monitor the appearance of...

How to read file contents in PowerShell. How to save file contents to a variable

Posted by Alex On September 18, 2024

Table of contents How to read file contents and display them on the screen How to read a file and save it to a variable How to read multiple files with a single Get-Content command Using wildcards with file names in Get-Content How to read a specified number of lines from the beginning of a file How to read a...

Analogs of cat, tail, head and wc in PowerShell

Posted by Alex On September 17, 2024

How to pass the contents of a file to a cmdlet in PowerShell In this article, we will look at how to get the contents of a file and send it to a cmdlet for processing or for display on the screen. In Bash on Linux, when you need to pass data from a file, commands either work with standard...

awk and tabs in input and output

Posted by Alex On July 9, 2022

Why does awk incorrectly detect tab delimited data boundaries (input field separator) The following command will return an empty result instead of the expected third column: echo '1 2 3 4 5 6' | awk -F'\t' '{ print $3 }' In the command, instead of the standard FS (Input field separator), which is a space by default, the -F'\t' option...

How to split a large file (text or binary) into smaller files (SOLVED)

Posted by Alex On February 20, 2021

split command instructions I have a large (by the number of lines) text file that I would like to split into smaller files, also by the number of lines. So if my file has about 2 million lines, I would like to split it into 10 files containing 200k lines, or 100 files containing 20k lines (plus one file with...