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FTP from AIX to Mainframe

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Top Forums Shell Programming and Scripting FTP from AIX to Mainframe
# 15  
Old 12-22-2017
Code:
f_FTP_MVS()
{
	
	echo 'user $REMOTE_USER $REMOTE_USER_PASS' > $TMP_BATCH_FTP
	echo 'type binary' >> $TMP_BATCH_FTP
	echo 'passive' >> $TMP_BATCH_FTP
	cat $TMP_BATCH_FILE >> $TMP_BATCH_FTP
	echo 'bye' >> $TMP_BATCH_FTP
	ftp -sinv $REMOTE_SERVER $REMOTE_PORT << `cat $TMP_BATCH_FTP`
}

In the above code, I am creating a batch file on the fly and using it in FTP command.

Is the usage correct? I don't see it working.
# 16  
Old 12-27-2017
Lightbulb
Quote:
Originally Posted by TechGyaann
Code:
f_FTP_MVS()
{
	
	echo 'user $REMOTE_USER $REMOTE_USER_PASS' > $TMP_BATCH_FTP
	echo 'type binary' >> $TMP_BATCH_FTP
	echo 'passive' >> $TMP_BATCH_FTP
	cat $TMP_BATCH_FILE >> $TMP_BATCH_FTP
	echo 'bye' >> $TMP_BATCH_FTP
	ftp -sinv $REMOTE_SERVER $REMOTE_PORT << `cat $TMP_BATCH_FTP`
}

In the above code, I am creating a batch file on the fly and using it in FTP command.

Is the usage correct? I don't see it working.

Hi All,

I'm stuck on this., your help is much appreciated.

using below command:
Code:
ftp -siv $REMOTE_SERVER $REMOTE_PORT << `cat $TMP_BATCH_FTP`

still im not able to get what I want.

Thanks.
# 17  
Old 12-27-2017
Please do not bump posts, it's not allowed.

As I said in my post#2, use of a .netrc file should avoid the need to supply a userid/passwd for the ftp server.

Yes, many times I have built a command file to input to ftp:

Code:
$ ftp 'ftpserver' < 'command file' 1> /dev/null

and it works fine. You have to be careful of how to trap errors though. You also need to ensure that the last line of your command file is 'quit' to ensure control is passed to the next line of your script when ftp operation is done.

When you say that it doesn't work; in what way????? Error message or what? Give us all a clue.

Do you need to use a non-standard ftp port? If not, why try and specify it?
This User Gave Thanks to hicksd8 For This Post:
TechGyaann
# 18  
Old 12-27-2017
Quote:
Originally Posted by TechGyaann
Code:
f_FTP_MVS()
{
	echo 'user $REMOTE_USER $REMOTE_USER_PASS' > $TMP_BATCH_FTP
	echo 'type binary' >> $TMP_BATCH_FTP
	echo 'passive' >> $TMP_BATCH_FTP
	cat $TMP_BATCH_FILE >> $TMP_BATCH_FTP
	echo 'bye' >> $TMP_BATCH_FTP
	ftp -sinv $REMOTE_SERVER $REMOTE_PORT << `cat $TMP_BATCH_FTP`
}

In the above code, I am creating a batch file on the fly and using it in FTP command.

Is the usage correct? I don't see it working.
The correct format for using a here document would be something more like:
Code:
f_FTP_MVS()
{
	ftp -sinv $REMOTE_SERVER $REMOTE_PORT <<EOF
user $REMOTE_USER $REMOTE_USER_PASS
type binary
passive
$(cat $TMP_BATCH_FILE)
bye
EOF
}

But, the AIX ftp man page that I have access to doesn't include a -s option. And, if you're trying to use ftp to copy the content of the file named by the expansion of $TMP_BATCH_FILE from AIX to MVS, the correct way to do that would be something like:
put $TMP_BATCH_FILE
not catting a binary file into a here document.

Alternatively, you could use simple redirection instead of a here-document:
Code:
f_FTP_MVS()
{
	echo "user $REMOTE_USER $REMOTE_USER_PASS" > "$TMP_BATCH_FTP"
	echo 'type binary' >> "$TMP_BATCH_FTP"
	echo 'passive' >> "$TMP_BATCH_FTP"
	echo "put '$TMP_BATCH_FILE'" >> "$TMP_BATCH_FTP"
	echo 'bye' >> "$TMP_BATCH_FTP"
	ftp -sinv "$REMOTE_SERVER" "$REMOTE_PORT" < "$TMP_BATCH_FTP"
}

And, of course, unless the FTP protocol includes character set translations when moving from AIX to MVS... since AIX works in ASCII/ISO 8859-1/UTF-8 and MVS works in EBCDIC, you may also need a step somewhere to convert your ASCII requests and file contents into EBCDIC. One possible way to do that if you need to is with dd conv=EBCDIC or dd conv=IBM depending on which variant of EBCDIC is used on your target MVS system.
This User Gave Thanks to Don Cragun For This Post:
TechGyaann
# 19  
Old 12-27-2017
Lightbulb
Quote:
Originally Posted by hicksd8
Please do not bump posts, it's not allowed.

As I said in my post#2, use of a .netrc file should avoid the need to supply a userid/passwd for the ftp server.

Yes, many times I have built a command file to input to ftp:

Code:
$ ftp 'ftpserver' < 'command file' 1> /dev/null

and it works fine. You have to be careful of how to trap errors though. You also need to ensure that the last line of your command file is 'quit' to ensure control is passed to the next line of your script when ftp operation is done.

When you say that it doesn't work; in what way????? Error message or what? Give us all a clue.

Do you need to use a non-standard ftp port? If not, why try and specify it?
Hi hicksd8,

Thanks much for your response.
The intention was not to bump posts.

I was able to connect to the MVS password less using .netrc and give the command to put files into mvs.

Whereas when i create a file dynamically(because i dont know the number of files I will have at any point which is to be ftp'ed) and use it in Ftp command its not working properly.

Output:
Code:
USER@SERVER:MY_PWD>ftp -siv remote_server.abcd.com 12342 << cat /user_home/ftp.batch.file
>

---------- Post updated at 03:18 AM ---------- Previous update was at 03:14 AM ----------

Quote:
Originally Posted by Don Cragun
The correct format for using a here document would be something more like:
Code:
f_FTP_MVS()
{
	ftp -sinv $REMOTE_SERVER $REMOTE_PORT <<EOF
user $REMOTE_USER $REMOTE_USER_PASS
type binary
passive
$(cat $TMP_BATCH_FILE)
bye
EOF
}

But, the AIX ftp man page that I have access to doesn't include a -s option. And, if you're trying to use ftp to copy the content of the file named by the expansion of $TMP_BATCH_FILE from AIX to MVS, the correct way to do that would be something like:
put $TMP_BATCH_FILE
not catting a binary file into a here document.

Alternatively, you could use simple redirection instead of a here-document:
Code:
f_FTP_MVS()
{
	echo "user $REMOTE_USER $REMOTE_USER_PASS" > "$TMP_BATCH_FTP"
	echo 'type binary' >> "$TMP_BATCH_FTP"
	echo 'passive' >> "$TMP_BATCH_FTP"
	echo "put '$TMP_BATCH_FILE'" >> "$TMP_BATCH_FTP"
	echo 'bye' >> "$TMP_BATCH_FTP"
	ftp -sinv "$REMOTE_SERVER" "$REMOTE_PORT" < "$TMP_BATCH_FTP"
}

And, of course, unless the FTP protocol includes character set translations when moving from AIX to MVS... since AIX works in ASCII/ISO 8859-1/UTF-8 and MVS works in EBCDIC, you may also need a step somewhere to convert your ASCII requests and file contents into EBCDIC. One possible way to do that if you need to is with dd conv=EBCDIC or dd conv=IBM depending on which variant of EBCDIC is used on your target MVS system.
Thanks Don.

Since I am polling a directory and don't have any idea of how may files will be there at any given moment, I will have to go by the approach of creating a dynamic file list and give it as input to the ftp command.


I try with your approach and get back here.

To answer your question., the file is already in EBCDIC format and just needs to be transferred in binary mode.


Thanks a lot for your guidance.
# 20  
Old 12-27-2017
Have you considered using:
Code:
lcd <AIX_source_directory>
mput  *

(you may need to play with quoting or escaping the asterisk depending on how you give your ftp commands to ftp).
This User Gave Thanks to Don Cragun For This Post:
TechGyaann
# 21  
Old 01-04-2018
I have implemented this., now I want to verify the file

1. To check if file is transferred
2. The file is not corrupt

I have achieved (1) using nlist over FTP., later after closing FTP connection I would grep the nlist target file and get to know if the file is transferred to mainframe.

I am having challenge to ensure we have same bytes transferred to MVS.
I can generate cksum in AIX Unix before/after transferring the file to get checksum and byte size of the file.

may I know how do i get that over FTP for the file transferred to mainframe.
so I can verify both the checksum and bytes.
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