clojure.string/join
On Oct 21, 8:54 pm, Shoeb Bhinderwala <shoeb.bhinderw...@gmail.com>
wrote:
> Thanks. It is so much cleaner with interpose.
>
> On Oct 21, 9:24 pm, Luc Prefontaine <lprefonta...@softaddicts.ca>
> wrote:
>
>
>
>
>
>
>
> > 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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