On May 06, 2018 11:09am, Sean Dennis wrote to Phil Kimble:

 SD> Hello Phil,

 SD> 06 May 18 01:09 at you wrote to me:

 PK>> I remember a very cool PowerBBS door that did something similiar to
 PK>> this & I thought it was the coolest thing going. I will certainly be
 PK>> checking this out. What is the maddness behind this?  The Why & What?

 SD> I wrote this at a user's request is the main reason.  It also taught me
 SD> a little about using sed and a few other utilities under Linux.

My question is is how does it work? :)

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