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  1. or download this
    Shell$ perl -we 'my $word = q(yey);print qq($sword\n);'
    
    ...
    Use of uninitialized value $sword in Concatenation (.) or String at -e
    + line 1. 
    
    Shell$ _
    
  2. or download this
    Shell$ perl -ce 'my $word = q(yey)); print qq($word\n);'
    
    ...
    syntax error at -e line 1, near "q(yey))"
    -e had compilation errors
    $Shell _