Subject: Re: [PATCH] test: skip test with COLUMNS=1 under mksh

From: Stefano Lattarini <[email-masked]>
Date: Sat, 28 Apr 2012 00:35:36 +0200

Hi Junio, Zbigniew.

On 04/27/2012 06:21 PM, Junio C Hamano wrote:
> Zbigniew Jędrzejewski-Szmek <[email-masked]> writes:
> 
>> mksh does not allow $COLUMNS to be set below 12. Quoting mksh(1)
>> $COLUMNS is "always set, defaults to 80, unless the value as reported
>> by stty(1) is non-zero and sane enough". This applies also to setting
>> it directly for one command:
>>
>> $ COLUMNS=30 python -c 'import os; print os.environ["COLUMNS"]'
>> 30
>> $ COLUMNS=20 python -c 'import os; print os.environ["COLUMNS"]'
>> 20
>> $ COLUMNS=10 python -c 'import os; print os.environ["COLUMNS"]'
>> 98
> 
> I wonder if this is an easier workaround, though.
> 
> 	env COLUMNS=10 $cmd
> 
It works for me:

  $ mksh -c 'COLUMNS=10 env | grep COLUMNS'
  COLUMNS=113

  $ mksh -c 'env COLUMNS=10 env | grep COLUMNS'
  COLUMNS=10

  $ dpkg -l mksh
  ...
  ii  mksh  40.2-2  MirBSD Korn Shell

HTH,
  Stefano