note
almut
<blockquote>
<i> how to check if a number falls in a range? </i>
</blockquote>
<c>
#!/usr/bin/perl
use strict;
use warnings;
my ($lower, $upper) = (40, 100);
for my $num (17,42,99,111) {
my $is_between = (sort {$a <=> $b} $lower, $upper, $num)[1] == $num;
printf "$num is%s between $lower and $upper\n", $is_between ? "" : " not";
}
__END__
17 is not between 40 and 100
42 is between 40 and 100
99 is between 40 and 100
111 is not between 40 and 100
</c>
<br />
<p> Or (not sure which you meant) : </p>
<blockquote>
<i> how should I check if the $start and $end in the range of $startPosition and $endPosition? </i>
</blockquote>
<c>
#!/usr/bin/perl
use strict;
use warnings;
use 5.010;
my ($lower, $upper) = (40, 100);
for my $range ( [10,17],
[30,71],
[42,99],
[83,120],
[101,111] ) {
my $is_within = [(sort {$a <=> $b} $lower, $upper, @$range)[1,2]] ~~ $range;
printf "[@$range] is%s within [$lower $upper]\n", $is_within ? "" : " not";
}
__END__
[10 17] is not within [40 100]
[30 71] is not within [40 100]
[42 99] is within [40 100]
[83 120] is not within [40 100]
[101 111] is not within [40 100]
</c>
<p> <b>;-)</b> </p>
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