in reply to Re^2: comparing lines of data
in thread comparing lines of data

To read from a file, all you have to do is : 

my $Filename = “...”;
my $Filehandle;
open $Filehandle, ‘<‘, $Filename or die “cant open file.\n”;
my @Lines = <$Filehandle>;
close $Filehandle;
...

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Re^4: comparing lines of data
by marto (Cardinal) on Nov 16, 2019 at 09:26 UTC

    Better to let open report why opening fails should that occur:

    open(my $fh, "<", $filename)
    or die "Can't open $filename: $!";

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