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Full Discussion: Script to cd into newest (dated) FTP directory
Top Forums Shell Programming and Scripting Script to cd into newest (dated) FTP directory Post 95500 by steved on Wednesday 11th of January 2006 05:34:20 PM
Old 01-11-2006
Script to cd into newest (dated) FTP directory
I have written the following simple bash script. It logs onto an FTP site and then CDs into a directory that corresponds to the last business day. So for example the directory I would access today is 20060110 (2006 jan 10).

I am currently taking today's date and subtracting 1, putting this into a variable and then entering ftp mode, cd'ing to the directory (in the variable) and downloading the file (always same filename). This obviously does not work for weekends and holidays, as subtracing 1 on monday would give sunday. There are no directories created on weekends and holidays.

My two ideas to rectify this are 1) do something complex to figure out the last business day before entering ftp mode or 2) figure out how to CD into the newest directory, regardless of its name (the newest directory will always be the previous day).

Any ideas are appreciated here. Maybe there is a much easier way to do this that I am not considering?

Thanks in advance for any help, this is my first post.

Steve D.
Chicago, Illinois

mydate=$(date +%F | tr -d [:punct:])
let prevdate=$mydate-1
user='xxxxxxx'
pass='xxxxx'

ftp -n ftp.xxxxxxx.com << ENDEND
passive
user xxxxx xxxxx
hash
cd $prevdate
get POA_133_Position.csv
quit
ENDEND
echo "Done."
exit 0
 

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LEARN ABOUT CENTOS

ftpconfig

ftpconfig(1M)						  System Administration Commands					     ftpconfig(1M)

NAME

       ftpconfig - set up anonymous FTP

SYNOPSIS

       ftpconfig [ftpdir]

       ftpconfig -d ftpdir

DESCRIPTION

       The ftpconfig script is executed by the super user to set up anonymous FTP. Anonymous FTP allows users to remotely log on to the FTP server
       by specifying the user name  ftp or anonymous and the user's email  address as password. The anonymous users  are  logged  on  to  the  FTP
       Server  and  given  access to a restricted file area with its own file system root. See chroot(2). The FTP area has  its own minimal system
       files.

       This command will copy and set up all the components needed to operate an anonymous FTP server, including creating the  ftp  user  account,
       creating  device  nodes,  copying  /usr/lib files, and copying timezone data.  The passwd and group files set up have been stripped down to
       prevent malicious users from finding login names on the server.	The anonymous file area will be placed	under  ftpdir.	If  the  ftp  user
       account already exists, then the current FTP area is used, and the system files in it are updated. All other files are left untouched. This
       command should be run to update the anonymous FTP area's configuration whenever a system patch is installed, or the system is upgraded.

OPTIONS

       -d	Create a new or update an existing ftpdir without creating or updating the ftp user account. Use this option when  creating  guest
		FTP user accounts.

OPERANDS

       The following operands are supported:

       ftpdir	The absolute pathname of the directory under which the anonymous FTP area is set up.

EXIT STATUS

       The following exit values are returned:

       0	Successful completion

       1	Improper usage of the command

       2	Command failed

ATTRIBUTES

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

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

SEE ALSO

       ftpaddhost(1M), in.ftpd(1M), useradd(1M), chroot(2), attributes(5)

SunOS 5.10							    1 May 2003							     ftpconfig(1M)
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