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33 lines
738 B
Markdown
33 lines
738 B
Markdown
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[Home](./index.md) > [bitburner](./bitburner.md) > [NS](./bitburner.ns.md) > [readPort](./bitburner.ns.readport.md)
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## NS.readPort() method
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Read data from a port.
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**Signature:**
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```typescript
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readPort(portNumber: number): PortData;
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```
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## Parameters
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| Parameter | Type | Description |
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| --- | --- | --- |
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| portNumber | number | |
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**Returns:**
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[PortData](./bitburner.portdata.md)
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The data read.
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## Remarks
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RAM cost: 0 GB
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Read data from that port. A port is a serialized queue. This function will remove the first element from that queue and return it. If the queue is empty, then the string “NULL PORT DATA” will be returned.
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