slayedbylucifer:
Change this:
my @parameters = ('$_', 'uptime');
to this:
my @parameters = ($_, 'uptime');
Your version is using THE NAME of variable $_ as an IP address, rather than THE CONTENTS. Single (') and double (") quotes are different, so if you used:
my @parameters = ("$_", 'uptime');
your code would have worked, because inside double quotes, the variables contents would replace its name in the string. However, just putting quotes around a variable name is discouraged.
...roboticus
When your only tool is a hammer, all problems look like your thumb.
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