#! perl
use strict;
use warnings;
use Text::CSV;

my $csv = Text::CSV->new({ sep_char => '|' })
    or die "Cannot use CSV: " . Text::CSV->error_diag;

while (my $line = <DATA>)
{
    $csv->parse($line);
    my @fields = grep { !/^\s*$/ } $csv->fields;
    print join('|', @fields), "\n";
}

$csv->eof or $csv->error_diag;

__DATA__
IFB Northpole||| Alaska||| 907-555-5555
Walmart||| Fairbanks||| Alaska
Chicken||| Anchorage||| Alaska||| 907-555-5555
Beef||| Somewhere|||||Over the Rainbow|||907-555-5555 

##</code><code>##

 0:31 >perl 1397_SoPW.pl
IFB Northpole| Alaska| 907-555-5555
Walmart| Fairbanks| Alaska
Chicken| Anchorage| Alaska| 907-555-5555
Beef| Somewhere|Over the Rainbow|907-555-5555

 0:31 >