回答編集履歴
1
こっちの方がいいとおもった
answer
CHANGED
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@@ -4,7 +4,7 @@
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4
4
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require 'grep'
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5
5
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include Grep
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6
6
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if ARGV.size < 2 then warn "Usage: ruby #{$0} dir text"; exit 1; end
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7
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-
Dir.glob("#{ARGV[0]}/**/*").select
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7
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+
Dir.glob("#{ARGV[0]}/**/*").select(&FileTest.method(:file?))
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8
8
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.each { |f| grep(f, ARGV[1]).each { |s| puts "#{f}:#{s}" } \
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9
9
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rescue warn "#{f}:[BINARY]" }
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10
10
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```
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