kaappi-csv — CSV Parser¶

thottam install kaappi-csv

Pure Scheme — no dependencies. RFC 4180 compliant.

Quick start¶

(import (kaappi csv))

;; With headers — rows become alists
(csv-read-string "name,age\nAlice,30\nBob,25" 'headers #t)
;=> ((("name" . "Alice") ("age" . "30"))
;    (("name" . "Bob") ("age" . "25")))

;; Without headers — rows are lists
(csv-read-string "a,b,c\n1,2,3")
;=> (("a" "b" "c") ("1" "2" "3"))

API¶

Reading¶

(csv-read port [options...])
(csv-read-string str [options...])
(csv-read-row port [delimiter])       ; single row, #f at EOF

Options: 'delimiter char, 'headers #t

Writing¶

(csv-write rows port [options...])
(csv-write-string rows [options...])

Streaming¶

(csv-fold port proc init [options...])

Features¶

Quoted fields, embedded commas/newlines, escaped quotes, custom delimiters (tab, semicolon), header mode (rows as alists), streaming fold.