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Article contents:[[tags: eggs iconv charset characters]] == iconv === Introduction Allows conversion of multi-byte sequences from one character set (encoding) to another by means of the iconv functionality present in glibc (and thus is probably not very portable). === Examples ==== Converting <enscript highlight=scheme> (import iconv) ; First we obtain a converter procedure. In this case we will convert ; from latin1 to utf-8: (define latin1->utf8 (make-iconv "utf-8" "latin1")) ; Read lines from the input, convert them and write them: (let loop ((line (read-line))) (unless (eof-object? line) (display (latin1->utf8 line)) (newline) (loop (read-line)))) </enscript> === Authors This egg was created by [[Alejandro Forero Cuervo]]. === License The iconv egg for Chicken Scheme is in the public domain and may be reproduced or copied without permission from its author. Citation of the source is appreciated. === Conversion ==== make-iconv [procedure] (make-iconv TOCODE FROMCODE) Create a converter procedure suitable for converting byte sequences from character encoding {{FROMCODE}} (a string) to character encoding {{TOCODE}} (a string). The values permitted for {{FROMCODE}} and {{TOCODE}} and the supported combinations are system dependent. For the GNU C library, the permitted values are listed by the {{iconv --list}} command, and all combinations of the listed values are supported. The returned procedure takes a string encoded in {{FROMCODE}} and returns a new string encoded in {{TOCODE}}. The resulting converter procedure can be used any number of times. === Version history ;2.0 : Port to CHICKEN 5, simplify API. [Chris Brannon] ;1.5 : Use of 'foreign-safe-lambda*'. [Kon Lovett] ;1.4 : Links with libiconv when {{(software-version)}} is {{unknown}}. This is the case of Cygwin, which requires libiconv. This was suggested by Dekai Wu. ;1.3 : Links with libiconv on Mac OS X. ;1.2 : Uses callback to allocate result buffer. ;1.1 : First release. Description of your changes:

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