How to redirect output of a command to a variable during ftp mode?

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07-25-2013

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How to redirect output of a command to a variable during ftp mode?

Hi,

How can I redirect the output of a following command to a variable.

Code:

ftp myservername
ftp> user
(username) guptaji
331 Password required for guptaji.
Password:
ftp> size /home/salil/abc.dat
ftp> a='size /home/salil/abc.dat'
?Invalid command

I want to redirect value of size to some variable and during ftp it is showing invalid command error
Actually I need to compare this size(of remote file) with available disk space on my local machine.

So also tell me how can I convert the available disk space on my local machine in bytes and then compare it with remote file size.

Thanks a lot for your time.
Salil

Last edited by Salil Gupta; 07-25-2013 at 03:41 AM.. Reason: forgot to include error

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It is not FTP 'mode', it is the program FTP, which does not understand variables, loops, comparisons, or anything else.

To feed the results into shell, you have to feed the results into shell.

Code:

ftp servername <<EOF >outputfile
command1
command2
quit
EOF

parse_output_of_outputfile

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