({.,:,each/@:(,:each)@}.) ',' readdsv 'dept.csv'
┌──────┬──────────┬──────────┐
│deptno│dname │location │
├──────┼──────────┼──────────┤
│10 │Accounting│"New York"│
│20 │Research │Dallas │
│30 │Sales │Chicago │
│40 │Operations│Boston │
└──────┴──────────┴──────────┘
,each/,:each }. ',' readdsv 'dept.csv'
┌──┬──────────┬──────────┐
│10│Accounting│"New York"│
│20│Research │Dallas │
│30│Sales │Chicago │
│40│Operations│Boston │
└──┴──────────┴──────────┘
(Though I would recommend using the jd addon, instead, if your data
volumes are especially large.)
I hope this helps,
--
Raul
On Wed, Aug 17, 2022 at 7:48 AM Pawel Jakubas <jakubas.pa...@gmail.com> wrote:
>
> Dear J enthusiasts,
>
> Let's say I have the following csv file
> $ cat dept.csv
> deptno,dname,location
> 10,Accounting,"New York"
> 20,Research,Dallas
> 30,Sales,Chicago
> 40,Operations,Boston
>
> Now I read it using dsv addon:
> load 'tables/dsv'
> readdsv jpath './dept.csv'
> ┌──────────────────────┐
> │deptno,dname,location │
> ├──────────────────────┤
> │10,Accounting,New York│
> ├──────────────────────┤
> │20,Research,Dallas │
> ├──────────────────────┤
> │30,Sales,Chicago │
> ├──────────────────────┤
> │40,Operations,Boston │
> └──────────────────────┘
> ',' readdsv jpath './dept.csv'
> ┌──────┬──────────┬──────────┐
> │deptno│dname │location │
> ├──────┼──────────┼──────────┤
> │10 │Accounting│"New York"│
> ├──────┼──────────┼──────────┤
> │20 │Research │Dallas │
> ├──────┼──────────┼──────────┤
> │30 │Sales │Chicago │
> ├──────┼──────────┼──────────┤
> │40 │Operations│Boston │
> └──────┴──────────┴──────────┘
>
> Questions:
> 1. How to read the file to get:
>
> ┌──────┬──────────┬────────┐
> │deptno│dname │location│
> ├──────┼──────────┼────────┤
> │10 │Accounting│New York│
> │20 │Research │Dallas │
> │30 │Sales │Chicago │
> │40 │Operations│Boston │
> └──────┴──────────┴────────┘
>
> 2. How to omit header upon reading?
>
> Also the link in line does not work (I bet it should point to
> https://github.com/jsoftware/tables_dsv/blob/master/test/test_dsv.ijs)
>
> To see more examples of usage, open and inspect the test_dsv.ijs
> <http://www.jsoftware.com/wsvn/addons/trunk/> script.
>
> Thanks and cheers,
>
> Pawel
> ----------------------------------------------------------------------
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