mirror of
https://github.com/urbit/shrub.git
synced 2024-11-28 22:33:06 +03:00
82 lines
1.4 KiB
Plaintext
82 lines
1.4 KiB
Plaintext
:: Parse CSV files with a known schema, then perform queries on the
|
|
:: results.
|
|
::
|
|
|%
|
|
++ text
|
|
%+ cook
|
|
|= =tape
|
|
(crip tape)
|
|
;~ pose
|
|
(cook tape soil:vast)
|
|
non-quote-text
|
|
==
|
|
::
|
|
++ non-quote-text
|
|
(star ;~(less com qit))
|
|
::
|
|
++ parse
|
|
|* cols=(list rule)
|
|
%+ ifix
|
|
:- ;~(sfix ;~(less (just `@`10) (star prn)) (just `@`10))
|
|
(just `@`10)
|
|
(more (just `@`10) (parse-line cols))
|
|
::
|
|
++ parse-line
|
|
|* cols=(list rule)
|
|
?~ cols
|
|
(easy ~)
|
|
?~ t.cols
|
|
i.cols
|
|
;~ plug
|
|
i.cols
|
|
;~(pfix com $(cols t.cols))
|
|
==
|
|
::
|
|
:: inner join
|
|
::
|
|
++ join
|
|
=/ name-side (ream '[left=- right=+]')
|
|
|= [left=(list vase) rite=(list vase) =hoon]
|
|
^- (list vase)
|
|
|- ^- (list vase)
|
|
=* left-loop $
|
|
?~ left
|
|
~
|
|
=/ rote rite
|
|
|- ^- (list vase)
|
|
=* rite-loop $
|
|
?~ rite
|
|
left-loop(left t.left, rite rote)
|
|
=/ slopped-row (slap (slop i.left i.rite) name-side)
|
|
=/ val (slap (slop slopped-row !>(..zuse)) hoon)
|
|
?. =(%& q.val)
|
|
rite-loop(rite t.rite)
|
|
:- slopped-row
|
|
rite-loop(rite t.rite)
|
|
::
|
|
:: filter
|
|
::
|
|
++ where
|
|
|= [rows=(list vase) =hoon]
|
|
^- (list vase)
|
|
%+ skim rows
|
|
|= =vase
|
|
=/ val (slap vase hoon)
|
|
=(%& q.val)
|
|
::
|
|
:: select
|
|
::
|
|
++ select
|
|
|= [=hoon rows=(list vase)]
|
|
^- (list vase)
|
|
%+ turn rows
|
|
|= =vase
|
|
(slap (slop vase !>(..zuse)) hoon)
|
|
::
|
|
:: pretty-print rows
|
|
::
|
|
++ print-rows
|
|
|= rows=(list vase)
|
|
(slog (turn rows sell))
|
|
--
|