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-rw-r--r--challenge-003/abigail/ruby/ch-1.rb26
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diff --git a/challenge-003/abigail/ruby/ch-1.rb b/challenge-003/abigail/ruby/ch-1.rb
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+#!/usr/bin/ruby
+
+#
+# See ../README.md
+#
+
+#
+# Run as: ruby ch-1.rb < input-file
+#
+
+ARGF . each_line do |_|
+ max = _ . to_i
+ base2 = 1
+ while base2 <= max
+ base3 = base2
+ while base3 <= max
+ base5 = base3
+ while base5 <= max
+ puts base5
+ base5 *= 5
+ end
+ base3 *= 3
+ end
+ base2 *= 2
+ end
+end