Table 2. Perl Comparison Operators

Operator	Name	Description	Example	Result
>	arithmetic greater-than	Compares whether left value is greater than right value.	20>30	false
<	arithmetic less-than	Compares whether left value is smaller than right value.	20<30	true
>=	arithmetic greater-than or equal to	Compares whether left value is equal to or greater than right value.	30>=20	true
<=	arithmetic less-than or equal to	Compares whether left value is equal to or less than right value	20<=20	true
==	arithmetic equality	Compares whether left value is equal to right value.	20==30	false
!=	arithmetic inequality	Compares whether left value is not equal to right value.	20!=30	true
gt	string greater-than	Compares whether left value comes alphabetically after right value.	"fat" gt "hat"	false
lt	string less-than	Compares whether left value comes alphabetically before right value.	"fat" lt "hat"	true
ge	string greater-than or equal to	Compares whether left value is equal to or comes alphabetically after right value.	"pat" ge "pat"	true
le	string less-than or equal to	Compares whether left value is equal to or comes alphabetically before right value.	"sat" le "pat"	false
eq	string equality	Compares whether left value is exactly the same as the right value.	"bob" eq "bob1"	false
ne	string inequality	Compares whether left value is at all different from the right value.	"bob" ne "bob1"	true

Perl Variables: Comparing Scalars
The Perl You Need to Know
Perl Variables: Lists (aka Arrays)