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ch-1.pl
executable file
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ch-1.pl
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#!/usr/bin/perl -s
use v5.24;
use Test2::V0;
use Math::Prime::Util 'todigits';
our ($tests, $examples, $base);
$base ||= 10;
run_tests() if $tests || $examples; # does not return
die <<EOS unless @ARGV;
usage: $0 [-examples] [-tests] [-base=B] [N...]
-examples
run the examples from the challenge
-tests
run some tests
-base=B
use B as base for the given numbers' representation. Default: 10
N...
list of numbers
EOS
### Input and Output
main: {
$" = ', ';
say "(@{[separate_digits($base, @ARGV)]})"
}
### Implementation
# Concatenate the digits of each number in the given base.
sub separate_digits {
my $base = shift;
map todigits($_, $base), @_;
}
### Examples and tests
sub run_tests {
SKIP: {
skip "examples" unless $examples;
is [separate_digits(10, 1, 34, 5, 6)], [1, 3, 4, 5, 6], 'example 1';
is [separate_digits(10, 1, 24, 51, 60)], [1, 2, 4, 5, 1, 6, 0],
'example 2';
}
SKIP: {
skip "tests" unless $tests;
is [separate_digits(2, 1, 3, 7)], [(1) x 6], 'binary';
}
done_testing;
exit;
}