Writing Commands given an ILE World

I have always really liked having user-written commands to do utility-type
functions.  The ability to run them from a command line and also from
within a CL program was always very handy and understandable.  Especially
since AS/400 programmers use the OS/400 commands all the time.

However I am finding that commands are becoming a bit limited as one writes
more and more ILE functions.  Because a command always runs a CPP (the
operative word being the last "P" for Program), you are getting the
performance issues inherent in CALLing programs rather than using a
subprocedure (or a module) as you would if the command was a subprocedure
instead.  And since most commands are designed and written for one-pass
use, they (usually) open and close their files every time they're run.

All of this seems to be a performance penalty when a command is used over
and over.  Any comments or opinions?

Bill


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