$sftp_cmd = "		cd /httpdocs/akku/
			put `"c:\powershell\file1.txt`" file1.txt
			put `"c:\powershell\picture1.png`" picture1.png
			quit
			"
Out-File -FilePath sftpbatch.txt -InputObject $sftp_cmd -Encoding ASCII -Width 50 

# upload files to host via SFTP

$sftp = .\psftp.exe -pw password  user@host -b sftpbatch.txt -be