Determining what library a CL program is called from?

That would explain the practice (a good practice, it seems) I've seen in
some
shops - in-house commands are prefixed with a letter that is not generally
seen
at the beginning of ibm commands. For example, the RUNSQLSTM would be called
ZRUNSQLSTM or XRUNSQLSTM. That way they are never confused with ibm
commands. In
addition, it makes them easy to find on the system - they're always together
(all Z or all X).

Debbie Gallagher 

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Original message
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<snip> under what circumstances one might want two programs in the library
list
and actually want to be executing the one lower in the list?  <snip>

Funny you should bring that up.  Quite a while ago, one of the midrange
magazines had an article on running SQL statements off the command line via
use of QMQRY.  I shamelessly recycled their idea into a reasonably generic
command-line SQL machine which I cleverly called RUNSQLSTM.  Being my
utility, it is in my library.  Time passes and we buy the IBM SQL
development kit.  IBM made their own RUNSQLSTM which is very different from
mine.  Being an IBM command, it's in QSYS.  I never want to RUN IBM's
command, but I often want to run mine, which is lower in the library list.
This forces me to qualify the command call.
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