Bit of a different way:

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

my $line = do { local $/; <$fh> };
$line =~ s/\n*\n/ /g;

[download]

There's also File::Slurp.

Edit: changed \n?\n to \n*\n to catch multiple consecutive blank lines.

In reply to Re: read file into 1 line string by stevieb
in thread read file into 1 line string by Anonymous Monk

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