Re: Mangling shebangs in text files: How to detect them, bug in the current implementation and possible solutions

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On Wed, 2021-09-29 at 13:53 +0200, Miro Hrončok wrote:
> On 25. 09. 21 11:12, Fabio Valentini wrote:
> > So, if I understand correctly, the problem is that right now there's
> > no *existing* tool that reliably detects if a given "executable" (has
> > mode +x) is an actual executable "script" with a valid shebang?
> 
> - We need to detect "scripts" that are executable but have no shebnag.
> - We need to detect "scripts" that are executable and have a shebnag to
> mangle.
> - We might want to detect binary files that are executable but
> shouldn't be
>    (such as images), but this was not the original purpose of the BRP
> script.
> 



instead use `file --mime-type` you may use `file --mime-encoding` or
`file` none option 

file /usr/lib/node_modules/yarn/bin/yarn.js  -b
Node.js script, ASCII text executable

file /usr/lib/node_modules/yarn/bin/yarn.js --mime-encoding -b
us-ascii

if mime-encoding that is not binary is text , I think






> -- 
> Miro Hrončok
> -- 
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> IRC: mhroncok
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-- 
Sérgio M. B.
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