From: Gavin Sinclair <gsinclair@...>
Date: 2003-09-19T23:03:31+09:00
Subject: Re: Removing "nil" entries from array

On Friday, September 19, 2003, 11:59:04 PM, Joey wrote:

> On 9/19/2003 9:54 AM, Thomas Adam wrote:

>>...yet I re-ran my program using the same data file (unchanged) and now my
>>array is being intermittently populated with "nil" values. Using "uniq()"
>>doesn't remove them. Any ideas?
>>  
>>

> What about using delete_if?

> a = [:foo, nil, :bar, :baz, nil, nil, "testing"]
> a.delete_if {|x| x == nil}
=>> [:foo, :bar, :baz, "testing"]

> delete_if modifies the array in place. If you want non-destuctive, use 
> "reject" instead.

Array#compact is designed for getting rid of nil values.

Gavin