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  1. or download this
    #!/usr/local/bin/perl -w
    use strict;
    open LE, "<y" or die "can't open y: $!";
    close LE;
    
  2. or download this
    Use of LE is deprecated at x line 3.
    Not enough arguments for open at x line 3, near "open LE"
    ...
    Use of LE is deprecated at x line 4.
    syntax error at b line 4, near "LE;"
    Execution of x aborted due to compilation errors.