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A doctor was stranded with a lawyer in a leaky life raft in shark-infested waters. The doctor tried to swim ashore but was eaten by the sharks. The lawyer, however, swam safely past the bloodthirsty sharks. "Professional courtesy," he explained.
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_ (_) ^__^ / \ (oo)\_____/_\ \ (__)\ ) / ||----w (( || ||>>
grep -i 'palavra' nome_ficheiro.txt