On 2019-05-01, Dennis Lee Bieber wrote:
> It showed all versions... (at least, it did two years ago before my
> lay-off from GE Aviation; which was running OpenVMS in a virtual
> environment on some Windows boxes, being used to cross compile Ada
> for 68040; and is also what I recall from 24 year
Avi Gross wrote:
UNIX flowed the fields together with a limit of 14 that included an
actual optional period as a counted character.
The Unix kernel has no notion of a filename extension; a filename
is just a sequence of bytes. Using a dot-suffix to indicate a
file type is just a user-level conv
On 2019-04-30, Cameron Simpson wrote:
I'm pretty sure the VMS built in file versioning
went on the scheme MRAB described: rewriting version.rpt caused the old
version to become "version.rpt;n" where n counted up from 1.
The version numbers certainly counted upwards. But I'm fairly sure
a ver
TOPIC: how to save, retain and retrieve files as they change.
There seem to be several approaches and one proposal here involved using
altered file names with a numeric suffix.
Can we compare two different concepts? A typographical approach with little
or no built-in support like searching for a
On 2019-04-30, Cameron Simpson wrote:
> On 30Apr2019 11:24, DL Neil wrote:
>>On 30/04/19 8:17 AM, MRAB wrote:
>>>Why would generation numbers result in a 'ripple' of renaming?
>>>
>>>You're assuming that "output.rpt.1" comes after "output.rpt.2", but
>>>it could just as well come before (generat
On 2019-04-29, DL Neil wrote:
> On 30/04/19 8:12 AM, Grant Edwards wrote:
>> On 2019-04-29, DL Neil wrote:
>>
>>> Are you aware of a library/utility which will generate and maintain the
>>> file names of multiple generations of a file?
>>
>> Well, the FILES-11 filesystem on VAX/VMS did that aut
On Monday 29 April 2019 20:20:50 DL Neil wrote:
> On 30/04/19 11:57 AM, Chris Angelico wrote:
> > On Tue, Apr 30, 2019 at 9:46 AM Eli the Bearded
<*@eli.users.panix.com> wrote:
> >> In comp.lang.python, DL Neil
wrote:
> >>> On 30/04/19 10:59 AM, Chris Angelico wrote:
> > bet a FAT filesyst
On 30Apr2019 11:24, DL Neil wrote:
On 30/04/19 8:17 AM, MRAB wrote:
Why would generation numbers result in a 'ripple' of renaming?
You're assuming that "output.rpt.1" comes after "output.rpt.2", but
it could just as well come before (generation 1 precedes generation
2, etc.). You're just lef
On 30/04/19 11:57 AM, Chris Angelico wrote:
On Tue, Apr 30, 2019 at 9:46 AM Eli the Bearded <*@eli.users.panix.com> wrote:
In comp.lang.python, DL Neil wrote:
On 30/04/19 10:59 AM, Chris Angelico wrote:
bet a FAT filesystem would produce a different error
Probably it'd raise BadFileSystemE
On Tue, Apr 30, 2019 at 9:54 AM DL Neil wrote:
>
> On 30/04/19 8:04 AM, Chris Angelico wrote:
> > On Tue, Apr 30, 2019 at 6:00 AM DL Neil
> > wrote:
> >>
> >> Are you aware of a library/utility which will generate and maintain the
> >> file names of multiple generations of a file?
> >>
> >
> > C
On Tue, Apr 30, 2019 at 9:46 AM Eli the Bearded <*@eli.users.panix.com> wrote:
>
> In comp.lang.python, DL Neil wrote:
> > On 30/04/19 10:59 AM, Chris Angelico wrote:
> >>> bet a FAT filesystem would produce a different error
> >> Probably it'd raise BadFileSystemError or something. Which is a
>
On 30/04/19 8:04 AM, Chris Angelico wrote:
On Tue, Apr 30, 2019 at 6:00 AM DL Neil wrote:
Are you aware of a library/utility which will generate and maintain the
file names of multiple generations of a file?
Commit it to a git repository. All the generations have the same name,
but you can
In comp.lang.python, DL Neil wrote:
> On 30/04/19 10:59 AM, Chris Angelico wrote:
>>> bet a FAT filesystem would produce a different error
>> Probably it'd raise BadFileSystemError or something. Which is a
> Fortunately, it runs on a Linux 'compute server'.
I mount FAT under Linux all the time.
On 30/04/19 10:59 AM, Chris Angelico wrote:
On Tue, Apr 30, 2019 at 8:16 AM Eli the Bearded <*@eli.users.panix.com> wrote:
bet a FAT filesystem would produce a different error
Probably it'd raise BadFileSystemError or something. Which is a
subclass of OSError, SystemError, TimeoutError, Overfl
On 30/04/19 9:04 AM, Peter J. Holzer wrote:
On 2019-04-29 20:12:28 -, Grant Edwards wrote:
On 2019-04-29, DL Neil wrote:
Are you aware of a library/utility which will generate and maintain the
file names of multiple generations of a file?
Well, the FILES-11 filesystem on VAX/VMS did that
On 30/04/19 8:17 AM, MRAB wrote:
On 2019-04-29 20:59, DL Neil wrote:
Are you aware of a library/utility which will generate and maintain the
file names of multiple generations of a file?
OTOH, using generation-numbers when there are many versions, (?surely)
requires a 'ripple' of renaming; whe
On 30/04/19 8:12 AM, Grant Edwards wrote:
On 2019-04-29, DL Neil wrote:
Are you aware of a library/utility which will generate and maintain the
file names of multiple generations of a file?
Well, the FILES-11 filesystem on VAX/VMS did that automatically, but
that's probably not too helpful.
On Tue, Apr 30, 2019 at 8:16 AM Eli the Bearded <*@eli.users.panix.com> wrote:
> bet a FAT filesystem would produce a different error
Probably it'd raise BadFileSystemError or something. Which is a
subclass of OSError, SystemError, TimeoutError, OverflowError,
BlockingIOError, and SystemExit.
Chr
In comp.lang.python, Peter J. Holzer wrote:
> On 2019-04-29 20:12:28 -, Grant Edwards wrote:
>> Well, the FILES-11 filesystem on VAX/VMS did that automatically, but
>> that's probably not too helpful.
> Until this is finished you could use something like this:
>
> #!/usr/bin/python3
>
> impo
On 2019-04-29 20:12:28 -, Grant Edwards wrote:
> On 2019-04-29, DL Neil wrote:
> > Are you aware of a library/utility which will generate and maintain the
> > file names of multiple generations of a file?
>
> Well, the FILES-11 filesystem on VAX/VMS did that automatically, but
> that's proba
On 2019-04-29 20:59, DL Neil wrote:
Are you aware of a library/utility which will generate and maintain the
file names of multiple generations of a file?
The system generates multiple output files. For example, one might be
called "output.rpt". However, we do not want to 'lose' the output
file(
On 2019-04-29, DL Neil wrote:
> Are you aware of a library/utility which will generate and maintain the
> file names of multiple generations of a file?
Well, the FILES-11 filesystem on VAX/VMS did that automatically, but
that's probably not too helpful. Though I guess Python is actually
availab
On Tue, Apr 30, 2019 at 6:00 AM DL Neil wrote:
>
> Are you aware of a library/utility which will generate and maintain the
> file names of multiple generations of a file?
>
Commit it to a git repository. All the generations have the same name,
but you can compare them, explore past versions, etc,
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