[Simh] Attach tar to tape device and access it from v7 in simh

[Mark Abene]

I personally don't recall there ever being a less for v7. more, ex, vi, and
csh were on a tape image of UCB tools, if you can find that.

-Mark


On Tue, Nov 7, 2017 at 2:02 PM, Will Senn <will.senn at gmail.com> wrote:

> On 11/7/17 2:45 PM, Clem Cole wrote:
>
>
>
> On Tue, Nov 7, 2017 at 3:37 PM, Clem Cole <clemc at ccc.com> wrote:
>
>> You need to convert the foo.tar file to a foo.tap before simh's mag tape
>> reader will understand it.
>>
>
> ​1.) ​
> gunzip 1bsd.tar.gz
> 2
> ​.)
> enblock <1bsd.tar >
> ​1bsd
> .tap
> ​
>
> ​3.) ​in simh:    att mt0 1bsd.tap
> ​4.) in unix:  ​tar vxfb /dev/rmt0 ...
>
> Thanks, Clem. Now I'm getting somewhere!
>
> I converted to a tap file (lo and behold, I wrote a perl script that did
> this for the silly thing 2 years ago) and ran it. Then attached the tap to
> simh and in v7:
>
> # tar xvfb /dev/rmt0
> Invalid blocksize. (Max 20)
>
> hmm... that doesn't sound good, let's try it another way:
>
> # tar xv0
> tar: ashell/ - cannot create
> x ashell/cont.a, 114488 bytes, 224 tape blocks
> x ashell/READ_ME, 825 bytes, 2 tape blocks
> # ls -ld ashell
> drwxrwxr-x 2 root       64 Dec 31 22:18 ashell
> # ls ashell
> READ_ME
> cont.a
> # find . -name "more*" -a -print
> #
> ...
>
> It's coming back to me now, but oh so slowly, why is it complaining about
> cannot create all the while creating the folder? Also, darn! I was hoping
> more would be in there somewhere. Anybody know where the more or less pager
> source code might be for v7?
>
> Thanks,
>
> Will
>
>
>
> --
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>
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