Top "Sed" questions

Non greedy (reluctant) regex matching in sed?

I'm trying to use sed to clean up lines of URLs to extract just the domain. So from: http://www.…

regex sed pcre greedy regex-greedy

How to show only next line after the matched one?

grep -A1 'blah' logfile Thanks to this command for every line that has 'blah' in it, I get the output …

awk sed grep

How to merge every two lines into one from the command line?

I have a text file with the following format. The first line is the "KEY" and the second line is …

bash awk sed grep

sed: print only matching group

I want to grab the last two numbers (one int, one float; followed by optional whitespace) and print only them. …

regex sed

How to use sed to remove the last n lines of a file

I want to remove some n lines from the end of a file. Can this be done using sed? For …

linux bash shell sed

How can I strip first X characters from string using sed?

I am writing shell script for embedded Linux in a small industrial box. I have a variable containing the text …

bash shell sed

How to extract string following a pattern with grep, regex or perl

I have a file that looks something like this: <table name="content_analyzer" primary-key="id"> <type="global" /&…

regex perl sed html-parsing text-extraction

Is there any sed like utility for cmd.exe?

I want to programmatically edit file content using windows command line (cmd.exe). In *nix there is sed for this …

windows sed cmd

How to extract text from a string using sed?

My example string is as follows: This is 02G05 a test string 20-Jul-2012 Now from the above string I want …

regex bash sed

What is the difference between sed and awk?

What is the difference between awk and sed ? What kind of application are best use cases for sed and awk …

sed awk