| |
| **options** | object, optional | Supports all Papaparse config parameters. See . |
{
header: true
}
|
The **readCSV** method can read a CSV file from a local disk, or over the internet (URL). Reading of local files is only supported in Nodejs, while reading of input file objects is only supported in the browser.
### **Reading files from local disk**
By specifying a valid file path, you can load CSV files from local disk:
{% tabs %}
{% tab title="Node.js" %}
```javascript
const dfd = require("danfojs-node")
dfd.readCSV("./user_names.csv") //assumes file is in CWD
.then(df => {
df.head().print()
}).catch(err=>{
console.log(err);
})
```
{% endtab %}
{% endtabs %}
### **Reading files from a URL**
By specifying a valid URL, you can load CSV files from any location into Danfo\*\*'\*\*s data structure:
{% tabs %}
{% tab title="Node.js" %}
```javascript
const dfd = require("danfojs-node")
dfd.readCSV("https://raw.githubusercontent.com/plotly/datasets/master/finance-charts-apple.csv") //assumes file is in CWD
.then(df => {
df.head().print()
}).catch(err=>{
console.log(err);
})
```
{% endtab %}
{% tab title="Browser" %}
```markup
Document
```
{% endtab %}
{% endtabs %}
### **Reading an input file object in the browser**
By specifying a valid [file object](https://developer.mozilla.org/en-US/docs/Web/API/File), you can load CSV files in the browser in DataFrames/Series
{% tabs %}
{% tab title="Browser" %}
```markup
Document
```
{% endtab %}
{% endtabs %}
---
# Agent Instructions: Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.
Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://danfo.jsdata.org/api-reference/input-output/danfo.read_csv.md?ask=
```
The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.
Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.