SFTP Commands Reference

import subprocess
import os

def sftp_connect(host: str, user: str, port: int = 22, key_file: str = None) -> list[str]:
    """Build an sftp command to connect to a remote host."""
    cmd = ["sftp"]
    if port != 22:
        cmd.extend(["-P", str(port)])
    if key_file:
        cmd.extend(["-i", key_file])
    cmd.append(f"{user}@{host}")
    return cmd

def sftp_batch_commands(local_dir: str, remote_dir: str, files: list[str]) -> str:
    """Generate SFTP batch file commands for uploading multiple files."""
    lines = [f"cd {remote_dir}", f"lcd {local_dir}"]
    for f in files:
        lines.append(f"put {f}")
    lines.append("bye")
    return "\n".join(lines)

# Example: create a batch file for SFTP upload
batch = sftp_batch_commands("/local/uploads", "/remote/data", ["a.csv", "b.csv"])
print("SFTP batch commands:")
print(batch)

# Write to batch file and run
with open("/tmp/sftp_batch.txt", "w") as bfile:
    bfile.write(batch)
cmd = sftp_connect("example.com", "myuser") + ["-b", "/tmp/sftp_batch.txt"]
print("\nCommand:", " ".join(cmd))
# subprocess.run(cmd)  # Uncomment to actually run