pavement

Redirection

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Sending one form of output to a form of input other than that which it was originally intended. Common operands include: >, >>, <, <<, and the ever popular |.

>  sends output somewhere (usually a file)
>> appends output somewhere (without overwriting it)
<  sends output the other way
<< appends output the other way
|  sends output somewhere (usually a command)
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