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-rw-r--r--sample/sieve.rb3
1 files changed, 1 insertions, 2 deletions
diff --git a/sample/sieve.rb b/sample/sieve.rb
index 03ff8a6..5e9f792 100644
--- a/sample/sieve.rb
+++ b/sample/sieve.rb
@@ -1,7 +1,6 @@
# sieve of Eratosthenes
sieve = []
-if ! max = ARGV.shift; max = 100; end
-max = max.to_i
+max = Integer(ARGV.shift || 100)
print "1"
for i in 2 .. max