Delete oldest folder based on folder named as date Post: 303020907

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Top Forums Shell Programming and Scripting Delete oldest folder based on folder named as date Post 303020907 by humble_learner on Monday 30th of July 2018 08:29:44 PM

07-30-2018

Registered User

Delete oldest folder based on folder named as date

Hi,

I have a script doing backup to synology server, the script create new folder each day with the date as being folder name i.e. 2018-07-30. Just before creating the new folder I want the script to find the oldest folder from the list and delete it including its content.

for example looking at the list below folder 2018-01-01 is the oldest folder as per directory naming. I want the expect code code below to find and delete it.

Code:

2018-07-30
2018-07-29
2018-07-28
2018-07-27
2018-07-26
2018-07-25
.
.
.
2018-01-01

Code:

expect << 'EOF' >> $today.log
set dir [timestamp -format "%Y-%m-%d"]
spawn sftp server@ip
expect "Password:"
send "Password\r"
expect "sftp>"
send "lcd /backup/\r"
expect "sftp>"
send "cd /BackupDirectory/\r"
expect "sftp>"
send "Here I want the code to find the oldest directory as per name and delete it\r"
expect "sftp>"
send "mkdir $dir\r"
expect "sftp>"
send "put -r /backup/$dir/*.gz /BackupDirectory/$dir/\r"
set timeout -1
expect "sftp>"
send "!rm -rf /backup/$dir\r"
expect "sftp>"
send "bye\r"
EOF
}

Last edited by humble_learner; 07-31-2018 at 12:09 AM..

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LEARN ABOUT POSIX

sftp-server

sftp-server(1M) 					  System Administration Commands					   sftp-server(1M)

NAME

       sftp-server - SFTP server subsystem

SYNOPSIS

       /usr/lib/ssh/sftp-server

DESCRIPTION

       sftp-server implements the server side of the SSH File Transfer Protocol as defined in the IETF draft-ietf-secsh-filexfer.

       sftp-server is a subsystem for sshd(1M) and must not be run directly. There are no options or config settings.

       To enable the sftp-server subsystem for sshd add the following to /etc/ssh/sshd_config:

       Subsystem   sftp     /usr/lib/ssh/sftp-server

       See sshd_config(4) for a description of the format and contents of that file.

       There is no relationship between the protocol used by sftp-server and the FTP protocol (RFC 959) provided by in.ftpd.

EXIT STATUS

       The following exit values are returned:

       0	Successful completion.

       >0	An error occurred.

FILES

       /usr/lib/sftp-server

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWsshdu 		   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Evolving			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       sftp(1), ssh(1), ssh-add(1), ssh-keygen(1), sshd(1M), sshd_config(4), attributes(5)

       To  view  license  terms,  attribution,	and  copyright	for OpenSSH, the default path is /var/sadm/pkg/SUNWsshdr/install/copyright. If the
       Solaris operating environment has been installed anywhere other than the default, modify the given path to access the file at the installed
       location.

AUTHOR

       Markus Friedl

SunOS 5.10							    30 Jul 2003 						   sftp-server(1M)