user=> (str "('" (apply str (interpose "', '" [1 2 3 4 5])) "')")
"('1', '2', '3', '4', '5')"
Would be a way to do it. Interpose returns a lazy sequence so you need to apply
str to realize the sequence.
Luc P.
On Fri, 21 Oct 2011 17:54:41 -0700 (PDT)
Shoeb Bhinderwala <shoeb.bhinderw...@gmail.com> wrote:
> Hi
>
> I wrote the following function to create a SQL IN clause from a list
> of values. Essentially the function creates a single string which is a
> comma separated quoted list of the values surrounded by parenthesis.
>
> user=> (def xs [1 2 3 4 5])
>
> user=>(str "('" (first xs) (reduce #(str %1 "', '" %2) "" (rest xs))
> "')")
> "('1', '2', '3', '4', '5')"
>
> user=> (def xs ["ab" "cd" "ef" "gh"])
>
> user=> (str "('" (first xs) (reduce #(str %1 "', '" %2) "" (rest xs))
> "')")
> "('ab', 'cd', 'ef', 'gh')"
>
> I am wondering if there is a better/easier/more elegant way to write
> this function. Or if I can make use of a more suitable function from
> the clojure core library to achieve this?
>
> Thanks
> Shoeb
>
--
Luc P.
================
The rabid Muppet
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