On Mon, 8 Nov 2021, 06:20 佐藤智昭, <tomoaki.sato.2...@gmail.com> wrote:
> Hi,
> I found a problem of gap interface of SageMath 9.4.
> When I put an expression: 'gap('(1,2,3,4,5,6,7)^6*(1,2,4)(3,6,5)^2')' in a
> cell of notebook,
> and evaluate it, sage would not return answer.
> After interrupting the evaluation, error messages say:
>
> FileNotFoundError: [Errno 2] No such file or directory:
> '/home/sato/.sage/gap/gap-workspace-086d40cb96847c6f5b0f43e236ebd04b1a8f3b6f'
>
> But a file named
>
> 'libgap-workspace-086d40cb96847c6f5b0f43e236ebd04b1a8f3b6f'
>
> does exist there (file prefixes differ.)
>
> With version 9.3, there isn't the problem.
>
> My environment:
> SageMath 9.4 (sage-9.4-Ubuntu_20.04-x86_64.tar.bz2)
> Ubuntu 20.04 (on VMware workstation 16 player, hosted by Wiindows 11)
>
What happens if you move ~/.sage/ away, e.g. rename it?
Anyway, gap pexpect interface is mostly obsolete.
The command above would run with
'gap' replaced by 'libgap'
> Regards,
> Tomoaki Sato
>
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