[Info-vax] FTP FYI

[Craig A. Berry]

On 11/24/20 5:46 PM, Stephen Hoffman wrote:
> On 2020-11-24 15:58:51 +0000, geze... at rlgsc.com said:
> 
>> This choreography ensures data integrity. Discovering data corruption 
>> at a later point is much more difficult to remediate.
> 
> I usually use a zip archive and a checksum check for that, but whatever 
> choreography works for you, have at.
> 
> OpenVMS is fairly late to adopting file checksums, but the CHECKSUM 
> command does have an only-somewhat-stale SHA-1 checksum support as of V8.4.
> 
> Or use the checksum support in OpenSSL (openssl dgst -sha256 -binary 
> {zipfile}, etc).

Or if you have Perl installed:

   $ shasum -a 512 -b {zipfile}

where the argument to -a can be 1, 224, 256, 384, 512, 512224, or 512256.