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Think about Loose Coupling

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The eq operator is for comparing strings. Using it in a context other than a comparison (like you've done correctly with your if and elsifs there) doesn't make much sense because it doesn't do anything other than return a true or false value in and of itself (which is why you're being warned that it's useless).

Guessing from the context you're trying to assign something to $cust so you want the assignment operator = instead: $cust = 'SMC';.

Update: And a bit more of a better long term solution would be to look into one of the standard argument parsing modules like Getopt::Long and use that instead of trying to cobble together your own.

Another thing: I notice you give your option in your sample command line as -fet all lower case but you're comparing against -FET. String comparisons are case sensitive so that's not going to match (and even Getopt::Long wouldn't help you here). Pick a case and stick with it, or use lc (or uc) to canonicalize everything to one or the other before you attempt to compare them.

The cake is a lie.
The cake is a lie.
The cake is a lie.

In reply to Re: Useless use of string eq by Fletch
in thread Useless use of string eq by Flubb

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