How to cross-references all programs with one another

Is there an IBM-supplied file that cross-references all programs with one another? I want to change a program and need to know all the programs that call it before making the changes.

I'm not aware of any pre-existing IBM system file to do what you want, but you can create your own cross-reference by issuing the following command:

DSPPGMREF PGM(*ALLUSR/*ALL) OUTPUT(*OUTFILE) OBJTYPE(*ALL) OUTFILE(MYLIB/MYFILE)

The only limitation on this technique is that it won't find programs that are called as a variable name through another program.

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This was first published in June 2002

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