On 21/11/18 at 18:21, Rowland Penny wrote:
> On Wed, 21 Nov 2018 18:05:44 +0100
> Alessandro Selli <alessandroselli@???> wrote:
>
>> On 21/11/18 at 17:57, Rowland Penny wrote:
>>> On Wed, 21 Nov 2018 17:43:12 +0100
>>> Alessandro Selli <alessandroselli@???> wrote:
>>>
>>>> On 21/11/18 at 17:37, Rowland Penny wrote:
>>>>> On Wed, 21 Nov 2018 17:28:40 +0100
>>>>> Alessandro Selli <alessandroselli@???> wrote:
>>>>>
>>>>>> On 21/11/18 at 17:22, Dr. Nikolaus Klepp wrote:
>>>>>>> Am Mittwoch, 21. November 2018 schrieb Hendrik Boom:
>>>>>> [...]
>>>>>>
>>>>>>
>>>>>>>> I read the discussion at
>>>>>>>> https://www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg1642443.html
>>>>>>>> and it looks as if they fixed the discrepancy at version
>>>>>>>> 3.5.1-2. Which means if we want to keep sed in /bin instead
>>>>>>>> of /usr/bin we may have to patch both packages sed and r-base.
>>>>>>>>
>>>>>>>> Or maybe add a symblic link to make sed accessible
>>>>>>>> from /usr/bin instead of just /bin.
>>>>>>> Why would anybody hardcode the link to sed in the first place?
>>>>>>> Isn't that what $PATH is all about?
>>>>>>   It's necessary to keep script shebangs from breaking.
>>>>>>
>>>>> No it isn't, ever heard of 'which' or 'type' or checking if the
>>>>> file actually exists.
>>>>>
>>>>> Rowland
>>>>>
>>>>   Of course it is.  If you have a file with a shebang like this:
>>>>
>>>>
>>>> #!/bin/sed
>>>>
>>>> , which is the norm, see:
>>>>
>>>> https://github.com/uuner/sedtris/blob/master/sedtris.sed
>>>>
>>>> , then you'd be in trouble if sed moved in /usr/bin.
>>> Well it would if you were trying to run sed directly,
>>
>>   Which side of "sed script with a shebang" do you fail to grasp?
> And which part of 'that isn't the problem' do you fail to grasp ?


  You asked:


From: "Dr. Nikolaus Klepp" <dr.klepp@???>
To: dng@???
Date: Wed, 21 Nov 2018 17:22:00 +0100
Message-Id: <201811211722.00535.dr.klepp@???>

    
"Why would anybody hardcode the link to sed in the first place? Isn't that what $PATH is all about?"


  I answered to this question.


> From the debian bug report:


  I did not answer any question about Debian bug reports, I answered to
the afore-quoted question.

  The Debian bug report is related anyway, because (though you didn't
know it) R itself can and in fact is used as a scripting language.

  See here, for an example:


https://stackoverflow.com/questions/3128122/shebang-line-not-working-in-r-script



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