in reply to Use of uninitialized value in concatenation (.) or string at perl.pl line 216, <$file> line 18.

try this: 
my $file;
my @files;
    open $file, '<', "$options{c}" or die "could not open \"$options{c
+}\": $!";
    @files = <$file>;

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self-explanatory code, isn't it?
  • Comment on Re: Use of uninitialized value in concatenation (.) or string at perl.pl line 216, <$file> line 18.
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