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  1. or download this
    C:>perl -E "print 'Enter a char: '; my $char = <>; print $char; print 
    +$char =~ /[AEIOU]/i ? 'char is a vowel' : 'char is not a vowel';"
    Enter a char: v
    v
    ...
    E
    char is a vowel
    C:>