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robhurring/piped_stdin.rb

Created November 22, 2010 20:03
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Check for piped STDIN in ruby shell scripts without prompting
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piped_stdin.rb
# body will be set ONLY if data is piped in, and will not
# prompt the user for STDIN otherwise.
require 'fcntl'
body = STDIN.read if STDIN.fcntl(Fcntl::F_GETFL, 0) == 0
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