[Coco] OS9 Arc

[L. Curtis Boyle]

Going off old memory, I am pretty sure it is a CRC check, like LHA and ZIP. 

Sent from my iPhone

> On Jan 4, 2017, at 5:36 PM, William Carlin <whcarlinjr at gmail.com> wrote:
> 
> I am continually amazed at the resiliency and speed of the OS9 Arc
> command.  I discovered it was one of the included binaries on Bill's "XRoar
> Coco 2b Becker Port Starter Kit".  Now I am flabbergasted that this program
> works so well within the memory constraints of the 64k Color Computer.
> 
> I have always wondered about the "verify" option in this program.  It does
> not appear to be doing a "byte by byte" comparison of the source and
> destination files like the cmp command does.  Does this program use some
> kind of checksum to determine if the destination file is different from the
> source?  Is the source code for this program available somewhere online?  I
> checked though my extensive archives of OS9 software and can only find the
> binary archive but no source code.
> 
> William
> 
> CoCo 4 ever
> 
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