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[MVSDude]

Gents:

I successfully allocate a file to a ddname inside a Rexx routine using IKJEFT01. The same Rexx routine

[expat]

Absolutely correct - you need to use IKJEFT01 (Batch TSO) to execute TSO commands.
IRXJCL does not allow the execution of TSO commands.

[kolusu]

Mvsdude,

You also might want to read this

http://www.mvsforums.com/helpboards/viewtopic.php?t=5276

[kingo]

For additional read check this out

http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/IKJ4B460/APPENDIX1.1?DT=20050714030239
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IF YOU ARE NOT FOCUSSED ON GOAL ALL YOU SEE IS OBSTACLE.

[Nic Clouston]

If you are running in batch then just allocate your datasets using JCL statements. Cuts down your Rexx code and calls to TSO.
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Utility and Program control cards are NOT, repeat NOT, JCL.

[semigeezer]

MD, to sum this up, there is no such thing as a Rexx allocate command. In fact there are no Rexx commands; Rexx always passes commands to someone else to handle the command. TSO is the system that provides the ALLOC command and since Rexx requires some other system to handle commands (sometimes called a command environment, subcommand environment, subcom environment), when you try to pass the command to the current environment and it does not recognize the command, you get a -3. You will most frequently see this when trying to execute TSO commands without TSO or ISPF commands without ISPF. See also the Address statement to see how to switch command environments.

Just as an additional note, TSO's program name is IKJEFT01 (or similar) so you any reference to an IKJEFTxx name is also a reference to TSO.
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