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Re: $RANDOM bug
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From: |
Paul Jarc |
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Subject: |
Re: $RANDOM bug |
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Date: |
21 May 2001 13:29:33 -0400 |
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User-agent: |
Gnus/5.090004 (Oort Gnus v0.04) Emacs/20.7 |
Antoni Sawicki <ASawicki@Marrakech.com> writes:
> echo $(($RANDOM%2))
>
> returns sequencial 0 and 1 and 0 and 1 and 0 and 1,
PRNGs' low-order bits are often fairly predictable. Use the
high-order bits instead: $(($RANDOM>=16384))
paul
- $RANDOM bug, Antoni Sawicki, 2001/05/19
- Re: $RANDOM bug,
Paul Jarc <=