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script/calc-accumulated-inflation  view on Meta::CPAN

 | 1.3103 | 17.11% | 3    |
 | 1.3968 | 6.60%  | 4    |
 | 1.4889 | 6.59%  | 5    |
 | 1.6536 | 11.06% | 6    |
 | 1.6995 | 2.78%  | 7    |
 | 1.8178 | 6.96%  | 8    |
 | 1.8867 | 3.79%  | 9    |
 | 1.9678 | 4.30%  | 10   |
 | 2.1327 | 8.38%  | 11   |
 | 2.3110 | 8.36%  | 12   |
 +--------+--------+------+

How much will your $100,000 grow over the next 10 years, if the savings rate is 4%; assuming this year is 2021:

 % calc-accumulated-inflation --base-index 100000 --base-year 2021 --yearly-rate 4 --years 10
 +-------------+------+
 | index       | year |
 +-------------+------+
 | 100000      | 2021 |
 | 104000.0000 | 2022 |
 | 108160.0000 | 2023 |
 | 112486.4000 | 2024 |
 | 116985.8560 | 2025 |
 | 121665.2902 | 2026 |
 | 126531.9018 | 2027 |
 | 131593.1779 | 2028 |
 | 136856.9050 | 2029 |
 | 142331.1812 | 2030 |
 | 148024.4285 | 2031 |
 +-------------+------+

=head1 DESCRIPTION

This routine generates a table of accumulated inflation over a period of several
years. You can either specify a fixed rate for every years (C<yearly_rate>), or
specify each year's rates (C<rates>). You can also optionally set base index
(default to 1) and base year (default to 0).

=head1 OPTIONS

C<*> marks required options.

=head2 Main options

=over

=item B<--base-index>=I<s>

Default value:

 1

=item B<--base-year>=I<s>

Default value:

 0

=item B<--rates-json>=I<s>

Different rates for each year, in percent (JSON-encoded).

See C<--rates>.

=item B<--rates>=I<s@>

Different rates for each year, in percent.

Can be specified multiple times.

=item B<--yearly-rate>=I<s>, B<-y>

A single rate for every year, in percent.

=item B<--years>=I<s>

Default value:

 10

=back

=head2 Configuration options

=over

=item B<--config-path>=I<s>, B<-c>

Set path to configuration file.

=item B<--config-profile>=I<s>, B<-P>

Set configuration profile to use.

=item B<--no-config>, B<-C>

Do not use any configuration file.

=back

=head2 Environment options

=over

=item B<--no-env>

Do not read environment for default options.

=back

=head2 Output options

=over

=item B<--format>=I<s>

Choose output format, e.g. json, text.

Default value:

 undef

=item B<--json>

Set output format to json.

=item B<--naked-res>

When outputing as JSON, strip result envelope.

Default value:

 0