Skip to content
Create a gist now

Instantly share code, notes, and snippets.

Comparing some version numbers for a post on http://blogs.perl.org/users/chisel
#!/usr/bin/env perl
use strict;
use warnings;
use feature ':5.12';
use version;
use Text::SimpleTable;
my @versionstrings = (
'0.0.4',
'0.0.5',
'0.0.5_01',
'0.0.5_50',
'0.0.5_99',
'0.0.5',
'0.0.6',
);
my @versions;
foreach my $vstring (@versionstrings) {
push @versions, version->parse($vstring);
}
my $t1 = Text::SimpleTable->new(
[12, 'Input String'],
[12, 'normal()'],
[14, 'cmp-prev'],
[14, 'cmp-next'],
);
for (my$i=0; $i<@versions; $i++) {
my $cmp_with_prev;
if($i>0) {
given ($i) {
when ($versions[$i] < $versions[$i-1]) {
$cmp_with_prev = "< " . $versions[$i-1];
}
when ($versions[$i] == $versions[$i-1]) {
$cmp_with_prev = "== " . $versions[$i-1];
}
when ($versions[$i] > $versions[$i-1]) {
$cmp_with_prev = " > " . $versions[$i-1];
}
}
}
else {
$cmp_with_prev = '';
}
my $cmp_with_next;
if($i<@versions-1) {
given ($i) {
when ($versions[$i] < $versions[$i+1]) {
$cmp_with_next = "< " . $versions[$i+1];
}
when ($versions[$i] == $versions[$i+1]) {
$cmp_with_next = "== " . $versions[$i+1];
}
when ($versions[$i] > $versions[$i+1]) {
$cmp_with_next = " > " . $versions[$i+1];
}
}
}
else {
$cmp_with_next = '';
}
$t1->row(
$versionstrings[$i],
$versions[$i]->normal,
$cmp_with_prev,
$cmp_with_next,
);
}
say $t1->draw;
@wols
wols commented Feb 26, 2016

Thanks for post here.

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Something went wrong with that request. Please try again.