in reply to Re^3: sorting an array if sting having _
in thread sorting an array if sting having _

Warning: pay proper attention to the precedence of //:
perl -MO=Deparse,-p -e '$a->[1] cmp $b->[1] or $a->[2]//"" cmp $b->[2]
+//""'

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See also Re^2: Do people find warning for undef with string compare useful?.

لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

In Section Seekers of Perl Wisdom