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Defining Global Macros
by Joyjit Ghosh, IBM India
Most of the time we define macro in our program by DEFINE …
“<Name> = placeholder for
And this macro can be called in the following way
<Name> par1 par2 …par9.
“par1… par9 = Parameters, separated by spaces
This above definition is local to the program where it is
defined i.e. we cannot call this macro from another program. But we can create
global macro that can be called by any program.
Global macro can be created by maintaining entries in table
Most popular example of standard global (system) macro is
BREAK which is defined in table TRMAC as shown in the screen shot below.
From any program we can call this macro as:
BREAK <user id>. “<user id> = placeholder for userid
Similarly if we want we can maintain our own global macro in
TRMAC as shown below:
Add new entry to TRMAC
Create custom macro
Call this global macro from a report
Table TRMAC is a system table. Removing or changing
entries in this table can mess up the system.
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