I'm not sure line separators differ with TEXTAREA fields no matter what OS is running on the machine with the Browser.
In my own (less than vast) experience, I have had no problem using code like the following (AFAIK, has worked with Mac-, UNIX- and Windows-based browsers):
# assuming text is in $_
my @lines = split /\n/;
my $text = join '||', @lines;
print "||$lines||\n";
Or, in one line,
print '||'. join('||', split( /\n/ )) .'||' ."\n";
dmm
If you GIVE a man a fish you feed him for a day
But, TEACH him to fish and you feed him for a lifetime
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