perl -le '@arr = (2, 17, 8, 5, 26);
print for sort @arr;'

##</code><code>##

17
2
26
5
8

##</code><code>##

perl -le '@arr = (2, 17, 8, 5, 26);
print for sort {$a <=> $b} @arr;'

##</code><code>##

2
5
8
17
26