Re: Forgot variable syntax for $var = funct() or "Funct failed\n";

my $hostname = gethostbyaddr(...) or "Can't resolve $data[$ip_address_pos]: $!\n";

This may not be pertinent, but I notice you use $! in your error message. However, gethostbyaddr sez:

For the *gethost*()* functions, if the "h_errno" variable is supported in C, it will be returned to you via $? if the function call fails.

(Note $? versus $!)

Update: Actually, I can't seem to get gethostbyaddr to link usefully, so see
perldoc -f gethostbyaddr
from your friendly local command line.

Give a man a fish: <%-{-{-{-<

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Re^2: Forgot variable syntax for $var = funct() or "Funct failed\n"; by choroba (Cardinal) on Jan 05, 2016 at 16:59 UTC
You need to link to endservent. Makes perfect sense, right? ($q=q:Sq=~/;[c](.)(.)/;chr(-\|\|-\|5+lengthSq)`"S\|oS2"`map{chr \|+ord }map{substrSq`S_+\|`\|}3E\|-\|`7**2-3:)=~y+S\|`+$1,++print+eval$q,q,a, [download]	[reply] [d/l]