csv-streamify
Advanced tools
Comparing version 0.9.0 to 0.9.1
@@ -0,1 +1,6 @@ | ||
0.9.1 / 2014-03-25 | ||
================== | ||
* add simple CLI tool | ||
0.9.0 / 2013-12-27 | ||
@@ -2,0 +7,0 @@ ================== |
{ | ||
"name": "csv-streamify", | ||
"version": "0.9.0", | ||
"version": "0.9.1", | ||
"description": "Streaming CSV Parser. Made entirely out of streams.", | ||
@@ -13,2 +13,5 @@ "author": "Clemens Stolle", | ||
}, | ||
"bin": { | ||
"csv-streamify": "cli.js" | ||
}, | ||
"repository": "https://github.com/klaemo/csv-stream", | ||
@@ -15,0 +18,0 @@ "keywords": [ |
@@ -29,3 +29,2 @@ csv-streamify [![Build Status](https://travis-ci.org/klaemo/csv-stream.png)](https://travis-ci.org/klaemo/csv-stream) | ||
// do stuff with data as it comes in | ||
// Array.isArray(JSON.parse(line)) === true | ||
@@ -41,3 +40,3 @@ // current line number | ||
// doc is an array of row arrays | ||
doc.forEach(function (row) {}) | ||
doc.forEach(function (row) { console.log(row) }) | ||
} | ||
@@ -49,7 +48,8 @@ | ||
``` | ||
__Note:__ If you pass a callback to ```csv-stream``` it will buffer the parsed data for you and pass it to the callback when it's done. | ||
__Note:__ If you pass a callback to ```csv-streamify``` it will buffer the parsed data for you and pass it to the callback when it's done. This behaviour can obviously lead to out of memory errors with very large csv files. | ||
### Options | ||
You can pass some options to the parser. All of them are optional. Here are the defaults. | ||
You can pass some options to the parser. **All of them are optional**. | ||
The options are also passed to the underlying transform stream, so you can pass in any standard node core stream options. | ||
@@ -61,17 +61,49 @@ | ||
newline: '\n', // newline character (use \r\n for CRLF files) | ||
quote: '\"', // what's considered a quote | ||
quote: '"', // what's considered a quote | ||
empty: '', // empty fields are replaced by this, | ||
inputEncoding: '', // the encoding of the source, if set Iconv will convert it to utf8 | ||
objectMode: false, // emit arrays instead of stringified arrays or buffers | ||
columns: false // if set to true, uses first row as keys -> [ { column1: value1, column2: value2 }, ...] | ||
// specify the encoding of the source if it's something other than utf8 | ||
inputEncoding: '', | ||
// if true, emit arrays instead of stringified arrays or buffers | ||
objectMode: false, | ||
// if set to true, uses first row as keys -> [ { column1: value1, column2: value2 }, ...] | ||
columns: false | ||
} | ||
``` | ||
In order for the inputEncoding option to take effect you need to install [iconv-lite](https://github.com/ashtuchkin/iconv-lite). | ||
In order for the inputEncoding option to take effect you need to install [iconv-lite](https://github.com/ashtuchkin/iconv-lite) (`npm install iconv-lite --save`). | ||
Also, take a look at the iconv-lite documentation for supported encodings. | ||
(iconv-lite provides pure javascript character encoding conversion -> no native code compilation) | ||
## CLI | ||
To use on the command line install it globally: | ||
```bash | ||
$ npm install csv-streamify -g | ||
``` | ||
This should add the `csv-streamify` command to your `$PATH`. | ||
Then, you either pipe data into it or give it a filename: | ||
```bash | ||
# pipe data in | ||
$ cat some_data.csv | csv-streamify | ||
# pass a filename | ||
$ csv-streamify some_data.csv > output.json | ||
# tell csv-streamify to read from + wait on stdin | ||
$ csv-streamify - | ||
``` | ||
## Wishlist | ||
- browser support | ||
If you would like to contribute either of those just open an issue so we can discuss it further. :) | ||
## Contributors | ||
[Nicolas Hery](https://github.com/nicolashery) (objectMode) | ||
[Nicolas Hery](https://github.com/nicolashery) (objectMode) |
Filesystem access
Supply chain riskAccesses the file system, and could potentially read sensitive data.
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