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Input/Output Input in Scalar Context

To read one line at a time from an input stream, enclose the file handle in < > simbols and assign the result to a scalar variable

$line = <FILEHANDLE>;

Given the input

Hello
World

One line can be read at at time as follows

$line = <FILEHANDLE>; # Yields "Hello\n"
$line = <FILEHANDLE>; # Yields "World\n"

To read the entire contents of an input, this scalar read can be placed in a loop