Convert a tab file (TSV) to JSON
Install the package using NPM:
npm install --save tabson
//Import dependencies
var fs = require('fs');
var tabson = require('tabson');
// file.txt content:
// col1 col2 col3 col4
// element1.1 element1.2 element1.3 element1.4
// element2.1 element2.2 element2.3 element2.4
// element3.1 element3.2 element3.3 element3.4
//Read the test tab file
tabson('./file.txt', { type: 'object', sep: '\t' }, function(error, header, data)
{
//Check for error
if(error){ return console.error(error.message); }
//Save the file
fs.writeFileSync('./file.json', JSON.stringify(data), 'utf8');
// file.json content:
// [
// {"col1":"element1.1","col2":"element1.2","col3":"element1.3","col4":"element1.4"},
// {"col1":"element2.1","col2":"element2.2","col3":"element2.3","col4":"element2.4"},
// {"col1":"element3.1","col2":"element3.2","col3":"element3.3","col4":"element3.4"}
// ]
});
Read the content of the file and return his content in a JSON format.
A string
with the path of the file to read.
An object
with the following options:
encoding
: set the encoding. Default:utf8
.chunk
: set the chunk size. Default is 4098.sep
: set the file separator. Default is a tabulation\t
.empty
: set the value for the empty columns. Default is an empty string.type
: set the output type:array
: each row of the table will be saved as an array object.object
: each row of the table will he saved as an object with the formatcolumn_name : column_content
.
A function that will be called when the file is full read. This function will be called with the following arguments:
error
: anerror
object.header
: anarray
with the column names.data
: anarray
with the table content.
- tabson-cli: CLI for this module.
MIT LICENSE © Josemi Juanes.