Here is an example using Text::CSV_XS 
use strict;
use warnings;
use Text::CSV_XS;

my $csv = Text::CSV_XS->new();      # create a new object
while (<DATA>) {
    my $status  = $csv->parse($_);  # parse a CSV string into fields
    my @columns = $csv->fields();   # get the parsed fields
    my $str = join '|', @columns;
    print "$str\n";
} 

__DATA__
a,b,c
d,e,"f|g"

[download]

prints: 

a|b|c
d|e|f|g

[download]

Is this the output you are looking for?

In reply to Re: Replacing commas with pipes by toolic
in thread Replacing commas with pipes by joec_

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