27 Jun
2023
27 Jun
'23
5:21 a.m.
On Tue, 27 Jun 2023, steve jenkin wrote:
In the mid 1980’s I worked for a small Australian
outfit that did
“Unix”.
Neology? Softway?
One of the things we did was distributing software,
which required
writing to many media.
[...]
There was a ‘create the distro’ step of the pipeline
which gathered the
input, followed by a loop that used ‘dd’ to block the stream into
media-sized parts.
Sounds like you want to put "dd" into a loop, driven by the block size and
the media size, then using the "iseek" option on the input file to burrow
through it.
I would use "expr" for the arithmetic because I've never bothered to
learn the Bash syntax :-)
Or have I missed something?
-- Dave