The issue is that printf
expects a format string as the first argument (thus the 'f'). When you pass the array reference to Dumper
, it returns a single string, which printf
interprets as its format string. When you pass Dumper
the array, it returns an array of strings and so printf
thinks the first argument is the format, and thus only prints that.
#11929 First ask yourself `How would I do this without a computer?' Then have the computer do it the same way.
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