Read from an input file and write the content to an output file. Assume the two filenames are provided in the command line. You need to know about filehandles before attempting this exercise.

$ cat input.txt 
George Washington
John Adams
Thomas Jefferson
James Madison
James Monroe
$ perl read_and_write.pl input.txt output.txt
$ cat output.txt 
George Washington
John Adams
Thomas Jefferson
James Madison
James Monroe