Re: Use of uninitialized value $_ in pattern match (m//)

You should delete all elements of the array each time through the loop, not assign the value undef to the 1st element. Change:

        @net_configs = undef;
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to:

        @net_configs = ();
[download]

Comment on Re: Use of uninitialized value $_ in pattern match (m//) Select or Download Code

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Re^2: Use of uninitialized value $_ in pattern match (m//) by perlfan (Parson) on Mar 09, 2016 at 17:52 UTC
For that matter, initialize `my @net_configs = ();`	[reply] [d/l]
Re^3: Use of uninitialized value $_ in pattern match (m//) by AnomalousMonk (Archbishop) on Mar 09, 2016 at 18:24 UTC
... initialize `my @net_configs = ();` Why? What would `@net_configs` look like if one were to depend on the default initialization of a newly-created lexical array? Give a man a fish: `<%-{-{-{-<`	[reply] [d/l] [select]