Unix utility SED provides an effective and versatile way of deleting one or more lines from a designated file to match the needs of the user. This Unix command is used for command line processing.

The commands for append (a), replace (c) and insert (i) typically need to have the sed commands specified in a separate script file. For example, say you want to append the line After Brenda right ...

Both sed commands and standalone sed scripts can perform a lot of useful text editing — likely a lot more than most of us have ever considered.

sed is the command of choice for changing this to that between a set of pipes, but there are a lot more tasks you can use it for -- some that it handles much better than the more obvious choices.

Linux/BSD Command Line 101: Using awk, sed, and grep in the Terminal JournalBot Aug 30, 2021 Jump to latest Follow Reply ••• Aug 30, 2021 Replies: 492 ...

We aren’t doing the next generation of Linux and Unix admins any favors by forgetting init scripts and fundamental tools ...