Thanks Brian.
I finally nailed it with:
(use '[clojure.contrib.duck-streams :only (reader)])
(with-open [r (reader "doc.txt")]
(dorun
(for [line (line-seq r)] (do (println line)))))
Cheers
Tom
2009/1/6 Brian Doyle <brianpdo...@gmail.com>
>
> On Tue, Jan 6, 2009 at 4:47 PM, Tom Ayerst <tom.aye...@gmail.com> wrote:
>
>> Its not the println, nor getting a reader (duckstreams is fine, I can do
>> that). Its the converting it to a seq and stepping through it printing each
>> element (which should be a line). Its the loopy, steppy bit, just for a side
>> effect; that I am messing up.
>>
>> Cheers
>>
>> Tom
>
>
> I've done this type of thing and it worked great for me.
>
> (with-open [r (clojure.contrib.duck-streams/reader "filename.txt")]
> (doseq [line (line-seq r)]
> ; do stuff with the line here
> ))
>
> Basically you'll want to use the line-seq function. Hopefully that helps.
>
>
>> 2009/1/6 Mark Volkmann <r.mark.volkm...@gmail.com>
>>
>>
>>> On Tue, Jan 6, 2009 at 5:26 PM, Tom Ayerst <tom.aye...@gmail.com> wrote:
>>> > Hi,
>>> >
>>> > How do I read and print a text file? I can read it, its the printing
>>> that
>>> > is the problem, I feel it should be obvious but I keep tripping myself
>>> up.
>>> > (The context is I need to extract data line by line, translate the line
>>> > format and save it for a legacy app)
>>>
>>> Do you just need to print to stdout?
>>> The println function does that. It puts a space between the output of
>>> each of its arguments. If you don't want that you can use the str
>>> function to concatenate a bunch of string values together.
>>> If you need something fancier, don't forget that you can access
>>> everything in java.io from Clojure.
>>>
>>> --
>>> R. Mark Volkmann
>>> Object Computing, Inc.
>>>
>>>
>>>
>>
>>
>>
>
> >
>
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