Cisyouc == is a numerical operator, it isn't good programming practice to use it when operating with strings, when you use the == it can have a similar effect as using atoi in C++ in which it turns a string into a number, this can, although not very often, cause errors if you have a complex script.
when working with strings you should always use the string comparison operators.
eq equals
ne not equals
From
http://www-cgi.cs.cmu.edu
Quote:
eq
String equality (== is numeric equality). For a mnemonic just think of "eq" as a string. (If you are used to the awk behavior of using == for either string or numeric equality based on the current form of the comparands, beware! You must be explicit here.)
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two basic ones, there is a greater than and less than, but i don't see much use for them in these types of quests.
perl is a rather loose language and as such you won't get compilation errors when using == but as i said, it can cause errors in complex scripts, and as such you should use eq over ==.
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