bitburner-src/markdown/bitburner.ns.clear.md
Olivier Gagnon d82f3e7ad7 more doc
2021-11-03 00:33:14 -04:00

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[Home](./index.md) &gt; [bitburner](./bitburner.md) &gt; [NS](./bitburner.ns.md) &gt; [clear](./bitburner.ns.clear.md)
## NS.clear() method
This function is used to clear data in a Netscript Ports or a text file.
If the port/fn argument is a number between 1 and 20, then it specifies a port and will clear it (deleting all data from the underlying queue).
If the port/fn argument is a string, then it specifies the name of a text file (.txt) and will delete all data from that text file.
<b>Signature:</b>
```typescript
clear(handle: string | number): void;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| handle | string \| number | Port or text file to clear. |
<b>Returns:</b>
void
## Remarks
RAM cost: 1 GB