Hi, welcome to the Monastery.

Your code seems to have a number of problems.

• You are trying to fetch a file but are using a POST request. The server seems to expect a GET.
• You are using content() to apparently try to set a header (content-type?).
• You are trying to set the content-type to CSV but you are requesting a zip file.

Here's how I would do it (using the more modern, lighter-weight, simpler HTTP::Tiny to make the http request):

use strict; use warnings;
use HTTP::Tiny;
use IO::Uncompress::Unzip qw(unzip $UnzipError);

my $url = 'https://nse-india.com/content/historical/EQUITIES/2017/AUG/
+cm14AUG2017bhav.csv.zip';
my $filename = '/path/to/your/folder/cm14AUG2017bhav.csv';

my $res = HTTP::Tiny->new->get( $url );
die 'Download failed' if not $res->{'success'};
unzip \$res->{'content'}, $filename or die "unzip died: $UnzipError";

__END__
[download]

After you get your CSV file successfully onto disk, make sure to use a proper module for reading it, such as Text::CSV.

Hope this helps!

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