---
name: ssh_download
kind: function
lang: go
domain: infra
version: "1.0.0"
purity: impure
signature: "func SSHDownload(conn SSHConn, remotePath, localPath string) error"
description: "Descarga un archivo del host remoto al filesystem local via scp."
tags: [ssh, scp, download, file, transfer, remote]
uses_functions: []
uses_types: [ssh_conn_go_infra]
returns: []
returns_optional: false
error_type: "error_go_core"
imports: [fmt, os/exec, strings]
tested: true
tests: ["upload y download roundtrip"]
test_file_path: "functions/infra/ssh_transfer_test.go"
file_path: "functions/infra/ssh_download.go"
---

## Ejemplo

```go
conn := SSHConn{Host: "192.168.1.100", User: "deploy"}
err := SSHDownload(conn, "/var/log/app.log", "./app.log")
```

## Notas

Descarga un archivo remoto al path local indicado. Para descargar directorios, usar SSHExec con tar/rsync como alternativa.