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authormo khan <mo@mokhan.ca>2013-08-28 07:20:13 -0600
committermo khan <mo@mokhan.ca>2013-08-28 07:20:13 -0600
commitdb1191ec0e7305d684383f8974e2fa437f77ad5a (patch)
tree5e27b197dff849d22d8e1f50eb75aa499b16bd06 /code/snippets/exec_python.rb
initial commitHEADmaster
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diff --git a/code/snippets/exec_python.rb b/code/snippets/exec_python.rb
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+hosts = File.open('/etc/hosts')
+
+python_code = %Q[import os; print os.fdopen(#{hosts.fileno}).read()]
+
+# The hash as the last arguments maps any file descriptors that should
+# stay open through the exec.
+exec 'python', '-c', python_code, {hosts.fileno => hosts}
+