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Programming Interfaces
External Program Interfaces : Introduction to External Program Interfaces : Named pipes : Named pipes and ABL
Named pipes and ABL
The following figure shows typical data exchanges between an OpenEdge application and an external application using named pipes.
Figure 34. ABL exchanging data using named pipes
A OpenEdge database client accesses named pipes in the same manner as any input or output file. Typically, the OpenEdge database client acts as an ABL server, receiving ABL requests from a non-OpenEdge UNIX or Windows application through an input pipe, executing the ABL statements, and returning the results to the UNIX or Windows application through an output pipe. Named Pipes emphasizes this type of client/server interaction with ABL using named pipes.