A problem of gap interface of 9.4

[佐藤智昭]

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)

Regards, 

Tomoaki Sato

[Dima Pasechnik]

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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