[debbugs-tracker] bug#28461: closed (erreurs)

[GNU bug Tracking System]

Your message dated Thu, 14 Sep 2017 12:00:53 -0600
with message-id <address@hidden>
and subject line Re: bug#28461: erreurs
has caused the debbugs.gnu.org bug report #28461,
regarding erreurs
to be marked as done.

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-- 
28461: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=28461
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--- Begin Message --- Subject: erreurs Date: Thu, 14 Sep 2017 19:43:03 +0200

Bonjour

voici le résultat des commandes que me retourne mon terminal, Xubuntu 14.04


address@hidden:~/Bureau$ expr 2 + 3
5
address@hidden:~/Bureau$ expr 2 * 3
expr: erreur de syntaxe
address@hidden:~/Bureau$

Cordialement

--- End Message ---

> --- Begin Message ---
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> Subject: 
>
> Re: bug#28461: erreurs
>
>
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> Date: 
>
> Thu, 14 Sep 2017 12:00:53 -0600
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> User-agent: 
>
> Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1
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>
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>
> tag 28461 notabug
> stop
>
> Hello,
>
> On 2017-09-14 11:43 AM, Eric Mariaud wrote:
> > address@hidden:~/Bureau$ expr 2 + 3
> > 5
> > address@hidden:~/Bureau$ expr 2 * 3
> > expr: erreur de syntaxe
>
> The asterisks ( * ) character has special meaning on the shell,
> which you can observe by comparing the output of:
>
>     echo 2 + 3
> vs
>     echo 2 * 3
>
> Technically, the shell replaces the '*' character with the list of
> all files in the current directory. The 'expr' program never sees it.
>
> Add single-quotes around the '*' character to send it as-is to 'expr':
>
>     $ expr 2 '*' 3
>     6
>
> Alternatively,
> Most modern shells support built-in basic arithmetic using
> the '$(())' syntax (dollar-sign and two parentheses):
>
>     $ echo $((2*3))
>     6
>
>
> As such, I'm marking this as not-a-bug, but discussion can continue by
> replying to this thread.
>
> regards,
>  - assaf
>
>
>
> --- End Message ---