### Oops! damit ist dann auch der alte Inhalt von @ARGV futsch
$ perl -E 'say "Array is leer."   if @ARGV = 0'
Array is leer.

$ perl -E 'say "Array is leer."   if 0 = @ARGV'
Can't modify constant item in scalar assignment at -e line 1, at EOF
Execution of -e aborted due to compilation errors.

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