What Is Sed Option

sed is a stream editor. A stream editor is used to perform basic text transformations on an input stream (a file or input from a pipeline). While in some ways similar to an editor which permits scripted edits (such as ed ), sed works by making only one pass over the input(s), and is consequently more efficient.

What is sed E option?

sed -e ‘1,10d’ The -e tells sed to execute the next command line argument as sed program. Since sed programs often contain regular expressions, they will often contain characters that your shell interprets, so you should get used to put all sed programs in single quotes so your shell won’t interpret the sed program.

What does SED 1d do?

In sed : -i option will edit the input file in-place. ‘1d’ will remove the first line of the input file.