bin/15205: [patch] Addition to random(6)

Chip Camden sterling at camdensoftware.com
Tue Aug 10 15:30:06 UTC 2010


The following reply was made to PR bin/15205; it has been noted by GNATS.

From: Chip Camden <sterling at camdensoftware.com>
To: Alexander Best <arundel at freebsd.org>
Cc: bug-followup at freebsd.org
Subject: Re: bin/15205: [patch] Addition to random(6)
Date: Tue, 10 Aug 2010 08:26:23 -0700

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 Quoth Alexander Best on Tuesday, 10 August 2010:
 > On Mon Aug  9 10, Chip Camden wrote:
 > > Quoth Alexander Best on Tuesday, 10 August 2010:
 > > > could you provide an example how to reproduce the same output (ls /bi=
 n | random -s 8) with an unpatched copy of ranom?
 > > >=20
 > > > cheers.
 > > > alex
 > > >=20
 > > > --=20
 > > > a13x
 > >=20
 > >=20
 > > Sure:
 > >=20
 > > ls /bin | random 8
 >=20
 > i don't think this reproduces the exact ouput as `ls /bin | random -s 8`.
 >=20
 > `random 8` will print each input line with a probability of 1/8th.
 >=20
 > `random -s 8` on the other hand will print a random line out of every 8 l=
 ines of input. this means that for a static number of input lines `random -=
 s 8` will always produce the same number of output lines, wheras the number=
  of lines returned by `random 8` will be different for each run.
 >=20
 > cheers
 > alex
 >=20
 > ps: please keep bug-followup@ in the CC field so our conversation gets ar=
 chived by GNATS.
 >=20
 > >=20
 > > --=20
 > > Sterling (Chip) Camden    | sterling at camdensoftware.com | 2048D/3A978E4F
 > > http://camdensoftware.com | http://chipstips.com        | http://chipsq=
 uips.com
 >=20
 >=20
 Ah, you are correct.  I missed that subtle difference.
 >=20
 > --=20
 > a13x
 
 --=20
 Sterling (Chip) Camden    | sterling at camdensoftware.com | 2048D/3A978E4F
 http://camdensoftware.com | http://chipstips.com        | http://chipsquips=
 .com
 
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