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magic-csv

7.0.2 • Public • Published

magic-csv

magic-csv is an automagic CSV parser designed to handle whatever you throw at it

Usage

MagicCSV = require("magic-csv");
csv = new MagicCSV({trim: true});
 
// file example
csv.readFile("example.csv", function(err, stats) {
  csv.getCols(); // ['First', 'Last', 'Pain']
  csv.getRow(0); // ['Brian', 'Regan', '8']
  csv.getObject(0); // {First: 'Brian', Last: 'Regan', Pain: '8'}
  csv.getStats(); // stats object, detailing how the file was parsed
  csv.getRowCount(); // same as stats.row_count
});
 
// objects example
var ob1 = {Name: 'Jimmy', Phone: 5552497, Gender: 'M'};
var ob2 = {Name: 'Justin', Phone: 5553546, Phone2: 5557951, Gender: 'M'};
csv.readObjects([ob1, ob2], function(err, stats) {
  csv.getCols(); // ['Name', 'Phone', 'Phone2', 'Gender']
  csv.getRow(0); // ['Jimmy', '5552497', '', 'M']
  csv.getRow(1); // ['Justin', '5553546', '5557951', 'M']
  csv.getCol('Phone'); // ['5552497', '5553546']
});
 
// raw example
csv.parse(str, function(err, stats) {
  csv.getRow(-1); // last row
  csv.getRows(); // all rows
  csv.getObjects(); // all objects
  csv.getColCount(); // same as stats.col_count
});
 
// write methods
csv.writeToStream(stream);
csv.writeToRes(res, 'out.csv'); // express response
csv.writeToFile('out.csv');

__Options__ ```javascript // passed to MagicCSV at instantiation (defaults shown) { trim: true, // trim values drop_bad_rows: false, // drop rows with extra fields drop_empty_rows: true, // drop rows with no data drop_duplicate_rows: false, // drop duplicate rows drop_empty_cols: false, // drop columns with no data allow_single_col: false, // allow input with only one column default_col_name: 'Unknown' // name for generated columns } ```
__Stats__ ```javascript // example object returned by csv.getStats() { line_ending: 'LF', // LF, CR, CRLF, n/a, unknown delimiter: 'comma', // comma, tab, pipe, n/a, unknown col_count: 14, row_count: 1893, empty_cols: ['Middle Name', 'Alt_Email'], duplicate_cols: {Zip: ['Zip 2']}, // repeat occurance of Zip renamed Zip 2 bad_row_indexes: [234, 759], // column shifting may have occurred here valid_col_count: 13, // column names found blank_col_count: 2, // blank column names repaired added_col_count: 1, // columns added to cover extra fields dropped_col_count: 0, dropped_row_count: 2 } ```
__Errors__
All `err` objects have a `code` property. Possible values are: * INPUT * READ * WRITE * PARSE

Readme

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Install

npm i magic-csv

Repository

github.com/greenseedtech/magic-csv

Homepage

github.com/greenseedtech/magic-csv

Weekly Downloads

47

Version

7.0.2

License

BSD

Last publish

Collaborators

  • stevekeiser
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