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authorTom Ryder <tom@sanctum.geek.nz>2017-07-03 12:35:14 +1200
committerTom Ryder <tom@sanctum.geek.nz>2017-07-03 12:35:14 +1200
commit64427872e9a259dab9e2b27dd6e3e1f430c06274 (patch)
tree7746d50d6f837c1bdb1480b72bd84db0d663451f /games
parentMore corrections to rndi(1df) man page (diff)
downloaddotfiles-64427872e9a259dab9e2b27dd6e3e1f430c06274.tar.gz
dotfiles-64427872e9a259dab9e2b27dd6e3e1f430c06274.zip
Work around mawk's srand() behaviour
Specific values for these tasks get chosen way more often than other in mawk, and it seems to be caused by the random seed being above a certain value. Not sure if it's a bug or how it interacts with the POSIX standard, but this seems to fix it.
Diffstat (limited to 'games')
-rw-r--r--games/pks.awk5
1 files changed, 4 insertions, 1 deletions
diff --git a/games/pks.awk b/games/pks.awk
index b71d2dc4..1a441980 100644
--- a/games/pks.awk
+++ b/games/pks.awk
@@ -12,10 +12,13 @@ BEGIN {
ARGV[1] = "/usr/share/dict/words"
}
- # Seed the random number generator
+ # Get a random seed if rnds(1df) available
rnds = "rnds 2>/dev/null"
rnds | getline seed
close(rnds)
+
+ # Truncate the seed to 8 characters because mawk might choke on it
+ seed = substr(seed,1,8)
if (length(seed))
srand(seed + 0)
else