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#!/usr/bin/perl -s
use v5.24;
use Test2::V0;
our ($tests, $examples);
run_tests() if $tests || $examples; # does not return
die <<EOS unless @ARGV;
usage: $0 [-examples] [-tests] [STR]
-examples
run the examples from the challenge
-tests
run some tests
STR
a string
EOS
### Input and Output
say count_asterisks(shift);
### Implementation
#
# For details see:
# https://github.sommrey.de/the-bears-den/2024/08/02/ch-280.html#task-2
sub count_asterisks {
shift =~ s/\|[^|]*\|//rg =~ tr/*//;
}
### Examples and tests
sub run_tests {
SKIP: {
skip "examples" unless $examples;
is count_asterisks("p|*e*rl|w**e|*ekly|"), 2, "example 1";
is count_asterisks("perl"), 0, "example 2";
is count_asterisks("th|ewe|e**|k|l***ych|alleng|e"), 5, "example 3";
}
SKIP: {
skip "tests" unless $tests;
is count_asterisks("*|**|****"), 5, "bar pair";
is count_asterisks("*|**|****|"), 5, "trailing bar";
is count_asterisks("|*|**|****"), 6, "leading bar";
is count_asterisks("|*|**|****|"), 2, "leading and trailing bar";
is count_asterisks("*||**|"), 3, "empty part";
}
done_testing;
exit;
}
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