How to transfer a file using sftp in UNIX

Use sftp instead of whatever command you are using in your .ksh script. See sftp man for reference.\n\nYou may also want to look at scp secure copy - scp man.\n\nEDIT\n\nsftp is mostly for interactive operations, you need to specify host you want to connect to: \n\n\n\nsftp example.com\n\n\nyou will be prompted for username and passsword, and the interactive session will begin..\n\nAlthough it can be used in scripts, the scp is much more easy to use:\n\n\n\nscp /path/to/localfile user@host:/path/to/dest\n\n\nyou will be prompted for password..\n\nEdit 2\n\nBoth scp and sftp use ssh as underlying protocol, see this and this\n\nThe best way to setup them to run from scripts is to setup passwordless authentication using keys. See this and this. I use this extensively on my servers.. After you setup keys, you can run\n\n\n\nscp -i private-key-file /path/to/local/file user@host:/path/to/remote\n\nsftp -oIdentityFile=private-key-file -b batch-file user@host\n\n\nIf you want to authenticate with password, you may try the expect package. The simplest script may look like this:\n\n\n\n#!/usr/bin/expect\nspawn sftp -b batch-file user@host\nexpect \"*?assword:*\"\nsend \"pasword\\n\"\ninteract\n\n\nSee this, this and this for more info.",