Chingyuan,
>I also use some PERL scripts to transfer data and JCO RFC to perform SAP's transaction.
FYI. We also "mate" Postgres with SAP.
Our transactions are exposed on the SAP system via a SOAP interface ( some "switches" your SAP people need to throw ).
Tested and developed with bash scripts and cURL the executable to get the headers etc correct, then our own C executable using cURL as a library, then wrapped Postgres C function call around our C code to have Postgres function.
SAP transactions are fully integrated into the "SQL" of the system.
Allan
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