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At EOF, getc returns a null string.
getc(FILEHANDLE)
getc FILEHANDLE
getc
# Getting only one character of input
print "Answer y or n ";
$answer=getc; # Gets one character from stdin
$restofit=<>; # What remains in the input buffer is assigned to $restofit
print "$answer\n";
print "The characters left in the input buffer were: $restofit\n";
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