You can use indexed read
1!:11 'abc.x';1000 20
f=: 1!:21 <'abc.x'
1!:11 f,1000 20
file:///C:/Program%20Files/j602/help/dictionary/dx001.htm
You can also use utilities in files
open'files'
load'files'
2008/2/24, Jack Andrews <[EMAIL PROTECTED]>:
>
> hi,
>
> i've got many data. how can i deal with a readcsv call that consumes
> all available memory?
> how can i use j to analyse more data than comfortably fits?
> i guess i can partition the data in different ways.
> i could also use another language to parse the csv, row-by-row, and
> invert the table.
>
> ta, jack
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>
--
Björn Helgason, Verkfræðingur
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Landslags og skrúðgarðagerð, gröfuþjónusta
http://groups.google.com/group/J-Programming
Tæknikunnátta höndlar hið flókna, sköpunargáfa er meistari einfaldleikans
góður kennari getur stigið á tær án þess að glansinn fari af skónum
/|_ .-----------------------------------.
,' .\ / | Með léttri lund verður |
,--' _,' | Dagurinn í dag |
/ / | Enn betri en gærdagurinn |
( -. | `-----------------------------------'
| ) | (\_ _/)
(`-. '--.) (='.'=)
`. )----' (")_(")
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