Do you have a such experience ( V7R5 ) ?

I run CPYF twice with differnet option COMMPRESS (*YES / *NO ), but the same results

SOURCE file  ( have #75 deleted records )

                            Source Creation    Last Change                  Deleted
Member           Size        Type  Date       Date     Time      Records    Records
source    211731464192        23/08/09 23/08/09 13:39:49      233272445     75
  Text:                                                                            
Total number of members  . . . . . . . . . :                 1                     
Total number of members not available  . . :                 0                     
Total records  . . . . . . . . . . . . . . :         233272445                     
Total deleted records  . . . . . . . . . . :                75                     
Total of member sizes  . . . . . . . . . . :      211731464192                     

1.option COMMPRESS (*YES )
*created empty file via command CRDUPOBJ from SOURCE  with parameter DATA(*NO)
*CPYF FROMFILE(SOURCE)   TOFILE(TARGET_YES) MBROPT(*REPLACE) 

                            Source Creation    Last Change                  Deleted
Member           Size        Type  Date       Date     Time      Records    Records
TARGET   211731423232        23/09/06 23/09/06 14:25:24        233272445     0
  Text:                                                                            
Total number of members  . . . . . . . . . :                 1                     
Total number of members not available  . . :                 0                     
Total records  . . . . . . . . . . . . . . :         233272445                     
Total deleted records  . . . . . . . . . . :                 0                     
Total of member sizes  . . . . . . . . . . :      211731423232                     
 
Here is Total deleted records = 0 , which is OK

2.option COMMPRESS (*NO )    
*created empty file via command CRDUPOBJ from SOURCE  with parameter DATA(*NO)
*CPYF FROMFILE(SOURCE)   TOFILE(TARGET_NO) MBROPT(*REPLACE)   

                            Source Creation    Last Change                  Deleted
Member           Size        Type  Date       Date     Time      Records    Records
TARGET_NO 211731423232        23/09/06 23/09/06 14:25:24        233272445   0
  Text:                                                                            
Total number of members  . . . . . . . . . :                 1                     
Total number of members not available  . . :                 0                     
Total records  . . . . . . . . . . . . . . :         233272445                     
Total deleted records  . . . . . . . . . . :                 0                     
Total of member sizes  . . . . . . . . . . :      211731423232                     

Here is Total deleted records = 0 , which should be 75, am I right ?
HELP for COMPRESS (*NO) ob CPYF command
Both the deleted and nondeleted records are copied to the to-file.   

HELP for COMMPRESS option
Explanation about COMMPESS parameter on CPYF command 
https://www.ibm.com/docs/en/i/7.5?topic=copy-copying-deleted-records-compress-parameter

Compress out deleted records (COMPRESS)
Specifies whether the to-file contains a compressed form of the from-file. Compression occurs when deleted records in the from-file are not copied to the to-file. *NO is used to copy all records when the from-file and to-file are both physical files. If from-file is delete-capable and the to-file is not delete-capable, then *YES must be specified. 
*YES
The records copied to the to-file are compressed. Deleted records that exist in the from-file are not copied to the to-file. 
*NO
Both the deleted and nondeleted records are copied to the to-file.   

Thx   Roman

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Roman HORSKY
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Dear Roman

Please read this information :  Details of the COMPRESS(*NO) parameter and the Copy File command at https://www.ibm.com/docs/en/i/7.5?topic=parameter-details-compressno-copy-file-command    and take note of this sentence : 

and then this one :

When you encounter such description, it's a good learning experience that the function is not designed for black and white behaviour and what you found in your experiment  fits the description above.  Now what you need to do is to adjust your way of understanding how a function of your interest works by interpreting IBM's subtle explanation such as ones I quoted above.

My guess is that the fact that there are so little number of deleted rows is a factor here that influences what you found out.  If, say, your file has 50,000 deleted rows, I'm fairly confident you will see different result regarding the treatment of the deleted rows in the copy operation.

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Chance favors only the prepared mind.
-- Louis Pasteur
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Satid S.
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Hello Roman

I did some research and it seems COMPRESS(*NO) works only when FROMRCD/TORCD is specified for keyed file as Record number.

For examples:

CPYF FROMFILE(SOURCE)   TOFILE(TARGET_NO) MBROPT(*REPLACE)   FROMRCD(1) COMPRESS(*NO) - will copy Deleted recrds.

Thanks & Regards.

Lev.

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lev ostromich
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