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Format Binary file to EBCDIC


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BlackScreen_Hustle

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Joined: 20 May 2024
Posts: 12
Location: India

PostPosted: Wed Jun 05, 2024 5:35 pm
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We have a file sent in binary mode which we want to encode back to ebcdic.
The flow of data is Mainframe1 sends file in binary mode > MFT transfers in binary mode > Mainframe2. How can I decode this file back to ebcdic data ? The file looks like below -

Code:
********************************* Top of Data **********************************
@..........................@.........@@...@.........@@@@@@@......@@@@@@..@......
......@@@@@@@@@@@@@@@@@@@@@..........................................@..........
...............@@@@@@@@@@@@@.........@......@.........@@@@@@..@.............@@@@
@@@@@@@@@@@@@@@@@@@.......................................@.....................
.......@@@@@@@@@@.....@@@@@@@@@@@@@@@......@@@@@@..@............@@@@@@@@@@@@@@@@
@@@@@..........................................@.........................@@@@@@@
@@@@@@.........@......@.........@@@@@@..@.............@@@@@@@@@@@@@@@@@@@@@@@...
....................................@............................@......@@@.....
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sergeyken

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Joined: 29 Apr 2008
Posts: 2120
Location: USA

PostPosted: Wed Jun 05, 2024 6:04 pm
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1. If the original dataset was NOT EBCDIC TEXT DATASET, then it cannot be converted "back to EBCDIC".

2. If the original dataset was REALLY EBCDIC TEXT DATASET, then after two binary transfers it should remain an EBCDIC TEXT DATASET.

3. How the initial dataset looks like, before the first FTP?

4. Please, present all actual code used for this transfer game, plus input/output data view before/after each transfer, and in hex notation.

But even better - initially investigate each of your steps by yourself.
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BlackScreen_Hustle

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Joined: 20 May 2024
Posts: 12
Location: India

PostPosted: Wed Jun 05, 2024 6:27 pm
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sergeyken wrote:
1. If the original dataset was NOT EBCDIC TEXT DATASET, then it cannot be converted "back to EBCDIC".

2. If the original dataset was REALLY EBCDIC TEXT DATASET, then after two binary transfers it should remain an EBCDIC TEXT DATASET.

3. How the initial dataset looks like, before the first FTP?

4. Please, present all actual code used for this transfer game, plus input/output data view before/after each transfer, and in hex notation.

But even better - initially investigate each of your steps by yourself.


The original Mainframe file is an EBCDIC text. But it's coming to us as I have shown above.
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sergeyken

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Joined: 29 Apr 2008
Posts: 2120
Location: USA

PostPosted: Wed Jun 05, 2024 6:58 pm
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BlackScreen_Hustle wrote:
sergeyken wrote:
1. If the original dataset was NOT EBCDIC TEXT DATASET, then it cannot be converted "back to EBCDIC".

2. If the original dataset was REALLY EBCDIC TEXT DATASET, then after two binary transfers it should remain an EBCDIC TEXT DATASET.

3. How the initial dataset looks like, before the first FTP?

4. Please, present all actual code used for this transfer game, plus input/output data view before/after each transfer, and in hex notation.

But even better - initially investigate each of your steps by yourself.


The original Mainframe file is an EBCDIC text. But it's coming to us as I have shown above.


Please, present all actual code used for this transfer game, plus input/output data view before/after each transfer, and in hex notation.

But even better - initially investigate each of your steps by yourself.
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BlackScreen_Hustle

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Joined: 20 May 2024
Posts: 12
Location: India

PostPosted: Fri Jun 07, 2024 4:40 pm
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Hi All,
We did some investigation and there was some issue in MFT settings. Once they sent the file in binary, we got the right data. Thanks for all the replies.
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