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g -L frozen_string_literal ext/**/*.rb|xargs ruby -Ka -e'ARGV.each{|fn|puts
fn;open(fn,"r+"){|f|s=f.read.sub(/\A(#!.*\n)?(#.*coding.*\n)?/,"\\&#
frozen_string_literal: false\n");f.rewind;f.write s}}'
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53143 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
21 lines
381 B
Ruby
21 lines
381 B
Ruby
#!/usr/local/bin/ruby
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# frozen_string_literal: false
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#
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# pi.rb
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#
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# Calculates 3.1415.... (the number of times that a circle's diameter
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# will fit around the circle) using J. Machin's formula.
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#
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require "bigdecimal"
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require "bigdecimal/math.rb"
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include BigMath
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if ARGV.size == 1
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print "PI("+ARGV[0]+"):\n"
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p PI(ARGV[0].to_i)
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else
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print "TRY: ruby pi.rb 1000 \n"
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end
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