On 2/16/21 3:02 PM, Dave Horsfall wrote:
> On Tue, 16 Feb 2021, Will Senn wrote:
>
>> To my knowledge, I've never used paste or join outside of initially 
>> coming across them. But, they seem to 'fit' with cut. My question for 
>> y'all is, was there a subset of related utilities that these were 
>> part of that served some common purpose? On a related note, join 
>> seems like part of an aborted (aka never fully realized) attempt at a 
>> text based rdb to me...
>
> I use "cut" a fair bit, rarely use "paste", but as for "join" and 
> RDBs, just look at the man page: "join — relational database 
> operator".  As for future use, who knows?  Could be a fun project for 
> someone with time on their hands (not me!).
>
> -- Dave, who once implemented a "join" operation with BDB

Oh brother! RTFM... properly... :). Still, I'm curious about the history.

Will