How do I prevent sed -i from destroying symlinks?
Why does sed -i executed on symlink destroys that link and replaces it with destination file? How to avoid this?
sed
Insert text from file inline after matching pattern in another file
I’m trying to take the contents of a file and insert it after a matching pattern in another file using sed. My question is very similar to this question, but I wish to insert the contents of a file inline rather than on a new line. How can I do this?
Decoding URL encoding (percent encoding)
I want to decode URL encoding, is there any built-in tool for doing this or could anyone provide me with a sed code that will do this?
When to use grep, less, awk, sed
I’m entering the world of Linux and at work I’m using grep more and more. By doing that I’m figuring out that sometimes it’s not adequate for what I want. I was struggling with grep a few days ago and a colleague of mine who is a senior Linux admin, told me to use awk. … Read more
Edit file based on existence of a string
I have an input file, say, file1, which appears as follows:
Is there a basic tutorial for grep, awk and sed?
I’ve been a Linux user for a while, and I’ve a pretty decent understanding of most the common command line utilities. However, ones that come up and up again in relation to programming are grep, awk, and sed. About the only thing I’ve used grep for is piping stuff into it to find files in … Read more
How to read first and last line from cat output?
I have text file. Task – get first and last line from file after
Removal of lines with no more or fewer than ‘N’ fields?
I am working on mac with sed, perl, awk, bash..
Replace strings in a file based on a list of strings and a list of corresponding replacements
I am trying to replace strings in a file A:
Can sed save its output to a file?
> can do it.