GNU bug report logs - #49217
'shuf' returns nothing if the low range number is higher by 1 than the high number

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Package: coreutils;

Reported by: F8ER F8ER <the.f8er <at> gmail.com>

Date: Fri, 25 Jun 2021 04:14:02 UTC

Severity: normal

Done: Paul Eggert <eggert <at> cs.ucla.edu>

Bug is archived. No further changes may be made.

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Message #10 received at 49217-done <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: F8ER F8ER <the.f8er <at> gmail.com>
Cc: 49217-done <at> debbugs.gnu.org
Subject: Re: bug#49217: 'shuf' returns nothing if the low range number is
 higher by 1 than the high number
Date: Thu, 24 Jun 2021 21:19:36 -0700

On 6/24/21 4:46 PM, F8ER F8ER wrote:
> For example, `shuf -i 101-100 -n 1` returns nothing with the exit code
> = 0 (unexpected).

Actually, it's the expected behavior. It's the same behavior as 'shuf -n 
1 </dev/null'. The '-n 1' option does not mean "output exactly 1 line"; 
it means "output at most 1 line".
This bug report was last modified 3 years and 327 days ago.

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