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From: Brian Scott on 12 Feb 2010 20:43
Hello,

I am having am issue subtracting two arrays with string elements.

I have the following?

a = ["StringA", "StringB", "StringC"]

b = ["StringC"]

How to I subtract the two arrays so I have a new array with the
following?

result = ["StringA", "StringB"]



Thanks
--
Posted via http://www.ruby-forum.com/.

From: Gary Wright on 12 Feb 2010 21:05

On Feb 12, 2010, at 8:43 PM, Brian Scott wrote:
> How to I subtract the two arrays so I have a new array with the
> following?
>
> result = ["StringA", "StringB"]

You've almost answered your own question:

>> a = ["StringA", "StringB", "StringC"]
=> ["StringA", "StringB", "StringC"]
>>
?> b = ["StringC"]
=> ["StringC"]
>> a - b
=> ["StringA", "StringB"]
>>

Gary Wright

From: Diego Soreira on 13 Feb 2010 12:57
Hi Brian,

if you have the following arrays:

a = ["StringA", "StringB", "StringC"]

b = ["StringC"]

should do the following:

c = a-b
c = ["StringA", "StringB"]

Bye.

Sorry, about my english Tarzan...jeje...

--- El vie 12-feb-10, Brian Scott <mr.novell(a)gmail.com> escribió:

De: Brian Scott <mr.novell(a)gmail.com>
Asunto: Subtracting string arrays
Para: "ruby-talk ML" <ruby-talk(a)ruby-lang.org>
Fecha: viernes, 12 de febrero de 2010, 11:43 pm

Hello,

I am having am issue subtracting two arrays with string elements.

I have the following?

a = ["StringA", "StringB", "StringC"]

b = ["StringC"]

How to I subtract the two arrays so I have a new array with the
following?

result = ["StringA", "StringB"]



Thanks
--
Posted via http://www.ruby-forum.com/.




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