Irfan Sayed wrote:
> Hi All,
> 
> Can somebody please tell me what is the difference between "=" and ":=" sign 
> in case of perl??

I've never seen it in Perl, but it is a valid RADIUS operator:

"
Attribute := Value
    Always matches as a check item, and replaces in the configuration
items any attribute of the same name. If no attribute of that name
appears in the request, then this attribute is added.

    As a reply item, it has an identical meaning, but for the reply
items, instead of the request items.
"

While searching to see if I could find if := was ever used in Perl (6
particularly), I came across this neat little gem:

http://glyphic.s3.amazonaws.com/ozone/mark/periodic/Periodic%20Table%20of%20the%20Operators%20A4%20300dpi.jpg

Steve


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