very simple bash script for parsing mail.log log file needed

please write a simple bash script for linux to parse a mail log file. example original log in the zip 1st output should be: (you are condensing upto 3 lines into one and linking the lines with the sendmail unique id number) final output should swap fields around (between the commas): (a regex would do as it is all on one line now) it every line or few lines makes sense as oppose to reading it all in at once. ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform bash linux