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#!/usr/bin/perl -w
########################################################################
#
# Example of cell locking and formula hiding in an Excel worksheet via
# the Spreadsheet::WriteExcel module.
#
# reverse('©'), August 2001, John McNamara, jmcnamara@cpan.org
#
use strict;
use Spreadsheet::WriteExcel;
my $workbook = Spreadsheet::WriteExcel->new("protection.xls");
my $worksheet = $workbook->add_worksheet();
# Create some format objects
my $locked = $workbook->add_format(locked => 1);
my $unlocked = $workbook->add_format(locked => 0);
my $hidden = $workbook->add_format(hidden => 1);
# Format the columns
$worksheet->set_column('A:A', 42);
$worksheet->set_selection('B3:B3');
# Protect the worksheet
$worksheet->protect();
# Examples of cell locking and hiding
$worksheet->write('A1', 'Cell B1 is locked. It cannot be edited.');
$worksheet->write('B1', '=1+2', $locked);
$worksheet->write('A2', 'Cell B2 is unlocked. It can be edited.');
$worksheet->write('B2', '=1+2', $unlocked);
$worksheet->write('A3', "Cell B3 is hidden. The formula isn't visible.");
$worksheet->write('B3', '=1+2', $hidden);
$worksheet->write('A5', 'Use Menu->Tools->Protection->Unprotect Sheet');
$worksheet->write('A6', 'to remove the worksheet protection. ');
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