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  2. RPG400-L
  3. November 2011

Re: RPG400 same fields name of Input and Output files Update & Write question

On 2011/11/25 7:02 PM, Joe Pluta wrote:

Barbara, has anybody put in a request for extname( a: *both) for data
structures? It could throw a compile time error if the input and output
formats were different. That one simple addition could remove a whole
lot of unnecessary code.


Hi Joe, yes, that's a well-known requirement.

extname(a:*all) is already supported for defining data structures, but most I/O operations don't allow a *ALL ds.

EXFMT allows a *ALL DS starting in 6.1, and there is a PTF for *ALL to be supported for subfile I/O. https://www.ibm.com/developerworks/mydeveloperworks/blogs/b542d3ac-0785-4b6f-8e53-f72051460822/entry/ptfs_to_make_it_easier_to_use_data_structures_for_subfile_i_o19.


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