Here's an outline of a Perl script that connects to the Google Spreadsheets API and scans through the first column of a worksheet:

    Install the required Perl modules for interacting with the Google Spreadsheets API, such as Net::Google::Spreadsheets.

    Obtain authentication credentials from Google for accessing the Spreadsheets API. This involves creating a project in the Google Developer Console, enabling the Sheets API, and creating a set of OAuth2 credentials.

    Use the obtained credentials to authorize your Perl script to access the Sheets API.

    Use the Net::Google::Spreadsheets module to connect to the spreadsheet and worksheet that you want to scan through.

    Retrieve the contents of the first column of the worksheet using the cell method of the Net::Google::Spreadsheets::Worksheet object. You can use a for loop to iterate over the cells in the first column and print out their values.

Here's the outline code:

Perl

use Net::Google::Spreadsheets;


my $service = Net::Google::Spreadsheets->new(
    username => 'your-google-username',
    password => 'your-google-password',
);
my $spreadsheet = $service->spreadsheet({ title => 'your-spreadsheet-title' });
my $worksheet = $spreadsheet->worksheet({ title => 'your-worksheet-title' });

for my $row (1..$worksheet->maxrow) {
    my $cell = $worksheet->cell($row, 1);
    print $cell->value . "\n";
}

Note that this is just an outline, and you will need to fill in the details and handle error cases appropriately.
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