Solve : shell script code change to migrate from FTP to SFTP?

1.	Solve : shell script code change to migrate from FTP to SFTP?
Answer» am using following code for FTP in SHELL SCRIPT file and it is working.I want to MIGRATE from FTP to SFTP.What code changes/steps will I have to do for SFTP ? FIN ftp -in <open $SAP_UP_SERVER user $SAP_UP_USER $SAP_UP_PASSWORD asc put $PM00_OUTPUTS_DIRECTORY/$SAP_UP_FILE_CSV /$SAP_UP_FILE_CSV prompt ... End File ftp DATES transaction quit FIN how to do password less login with SFTP ? what will be detailed steps that I need to follow ?

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