Fedora doesn't apply this patch anymore; on karmic with bash-4.0 I get:
$ (echo $RANDOM ; (echo $RANDOM ; echo $RANDOM) ; (echo $RANDOM ; echo $RANDOM)
; (echo $RANDOM ; echo $RANDOM))
11196
1594
21358
26794
31091
32142
32050
$ (echo $RANDOM ; (echo $RANDOM ; echo $RANDOM) ; (echo $RANDOM ; echo $RANDOM)
; (echo $RANDOM ; echo $RANDOM))
18616
21081
22304
21814
21062
30882
22657
$ (echo $RANDOM ; (echo $RANDOM ; echo $RANDOM) ; (echo $RANDOM ; echo $RANDOM)
; (echo $RANDOM ; echo $RANDOM))
28343
18466
12953
4744
8051
28713
5224
$ (echo $RANDOM ; (echo $RANDOM ; echo $RANDOM) ; (echo $RANDOM ; echo $RANDOM)
; (echo $RANDOM ; echo $RANDOM))
10535
18265
23816
11204
2234
4085
21614
$ (echo $RANDOM ; (echo $RANDOM ; echo $RANDOM) ; (echo $RANDOM ; echo $RANDOM)
; (echo $RANDOM ; echo $RANDOM))
13881
4850
307
21019
7218
9682
12160
I suppose this is fixed upstream in bash-4.0
** Changed in: bash (Ubuntu)
Status: Confirmed => Fix Released
--
bash use of $RANDOM isn't very random
https://bugs.launchpad.net/bugs/364920
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