What UNIX commands would I use for this? I know I need to use paste, tr, I think

ID: 3813172 • Letter: W

Question

The structure of email addresses is as followed: username@imapNumber.asu.edu

You are to reformat the addressbook as followed:

LastName FirstName Username EmailAddress

The requirements/observations for our targeted format:

Notice that there is a new field, the username.

The field separator for the final display is the tab. Note that the initial file did not have a uniform field separator

The data must be sorted by last name

The imap number must be removed from the email addresses. For example, “madhu@imap2.asu.edu” must now be shown as madhu@asu.edu

1.command to sort by last name

ls -l | sort -k 1

2. command to remove imap address

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