[Emacs-bug-tracker] bug#7739: closed (bug in md5sum ?)

[GNU bug Tracking System]

Your message dated Sat, 9 Apr 2011 21:40:43 -0600
with message-id <address@hidden>
and subject line Re: bug#7739: bug in md5sum ?
has caused the GNU bug report #7739,
regarding bug in md5sum ?
to be marked as done.

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-- 
7739: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=7739
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> --- Begin Message ---
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> Subject: 
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> bug in md5sum ?
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> Date: 
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> Sun, 26 Dec 2010 22:45:51 +0100
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> User-agent: 
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> Mozilla/5.0 (Windows; U; Windows NT 6.1; fr;	rv:1.9.2.13) Gecko/20101207 Thunderbird/3.1.7
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>
> Hi,
> I'm a french guy Arnaud TARDY. I used Linux but..md5sum are different
> between Linux and Windows for a same word!! Exemple
>
> Linux: echo 'somme' | md5sum
> result: cc72185f414a55738ee4460aa82802b3
>
> windows somme
> Result: 3CE6E7F240E6B94C36FD0DDA70C213E9
>
> Can you help me?
> Thanks.
> Arnaud TARDY
>
> Linux: 2.6.31.14-desktop586-1nmb
> version of md5sum :7.5
>
>
>
> --- End Message ---
> --- Begin Message ---
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> Subject: 
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> Re: bug#7739: bug in md5sum ?
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> Date: 
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> Sat, 9 Apr 2011 21:40:43 -0600
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> User-agent: 
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> Mutt/1.5.21 (2010-09-15)
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>
> Bob Proulx wrote:
> > Arnaud TARDY wrote:
> > > [...] but..md5sum are different between Linux and Windows for a same
> > > word!! Exemple
> > > 
> > > Linux: echo 'somme' | md5sum
> > > result: cc72185f414a55738ee4460aa82802b3
> > 
> > Correct.  Don't forget that echo adds a newline (\n) to the end of the
> > line.
> > 
> >   $ echo 'somme' | md5sum
> >   cc72185f414a55738ee4460aa82802b3  -
> > 
> >   $ echo 'somme' | od -tx1 -c
> >   0000000  73  6f  6d  6d  65  0a
> >             s   o   m   m   e  \n
> >   0000006
> > 
> > > windows somme
> > > Result: 3CE6E7F240E6B94C36FD0DDA70C213E9
> > 
> > That would be the result of md5sum on that word without a newline on
> > the end.  You can see this by using printf instead of echo.  Printf
> > does not add a newline on the end of the line by default unless
> > directed by having a newline (\n) at the end of the string.
> > 
> >   $ printf 'somme' | md5sum
> >   3ce6e7f240e6b94c36fd0dda70c213e9  -
> > 
> >   $ printf 'somme' | od -tx1 -c
> >   0000000  73  6f  6d  6d  65
> >             s   o   m   m   e
> >   0000005
> > 
> >   $ printf 'somme\n' | md5sum
> >   cc72185f414a55738ee4460aa82802b3  -
> > 
> >   $ printf 'somme\n' | od -tx1 -c
> >   0000000  73  6f  6d  6d  65  0a
> >             s   o   m   m   e  \n
> >   0000006
> > 
> > As such I don't think this is a bug but a misunderstanding of the
> > effects of the newline at the end of the line.
>
> There were several messages and suggestions in response to your bug
> report.  It has been several months without a response from you.  I
> can only assume that the problem has been resolved.  Therefore I am
> closing this bug report.
>
> Thanks for helping to improve GNU!
>
> Bob
>
>
> --- End Message ---