0.9b (c) 1995 Peter Childs
Sometimes it is important for a REXX program to run within a specific environment (e.g. PMREXX) or in a special way (e.g. minimized or in the background).
To ensure that your REXX program uses the environment you intend it to use, you can check the current environment in your REXX program and, if it's not the envionment you need, restart the REXX program in the needed environment:
In the first case mentioned above, you can use the return code of the function <ADDRESS to check the current environment (see Run a REXX program under a specific environment and the warning regarding WARP 4 in the section PMREXX!); in the second case (i.e., running your program in a special way, such as minimized), you cannot detect the current environment and thus you've to restart your program using an additional parameter to distinguish between the two passes. (see Force a REXX program to run minimized).
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