Process Flow
Parameter values in instance profiles can contain the following variables:
$(parameter name) is replaced by the value of the parameter name specified in brackets.
Param1 = ‘/usr/sap/C11/D53/dbg’
Param2 = $(Param1)/stats
Therefore Param2 = /usr/sap/C11/D53/dbg/stats
$$ is replaced by the SAP System number.
Param3 = logfile$$.
SAPSYSTEM = 29
Therefore Param3 = logfile29
You can also define local substitute variables. These values are not used by the SAP programs, their importance lies within a profile. They contain values used for setting up or filling parameter values. The names of these local substitute variables begin with an underscore (‘_’).
_SAP_PROFILE_DEFAULT = /usr/sap/C11/SYS/profile/DEFAULT.PFL
Param4 = _SAP_PROFILE_DEFAULT. Therefore
Param4 = /usr/sap/C11/SYS/profile/DEFAULT.PFL
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