The IF command conditionally processes the EXEC, START, or STOP command that follows it in the same command input. The IF command is especially useful if you want to use the same members of the RKANPAR library to control copies of EPILOG which run with different IMS systems. This is a convenient way to cut down on the maintenance effort in certain environments.
The IF command provides a way to test several different values to determine whether the command which follows its THEN keyword executes. The format of the IF command is:
Table 4: IF Test Values on page 41 describes the IF test parameters and their associated values.