In binder language there are maybe a total of four commands. You can actually support multiple signatures. Each signature is on the STRPGMEXP command. This helps to avoid signature violations

Here is a sample
STRPGMEXP PGMLVL(*CURRENT) LVLCHK(*YES) SIGNATURE('V20211001')
EXPORT SYMBOL("ADDDAYS")
EXPORT SYMBOL("CENTER40")
...
ENDPGMEXP
STRPGMEXP PGMLVL(*PRV) LVLCHK(*YES) SIGNATURE('V20210825')
EXPORT SYMBOL("ADDDAYS")
EXPORT SYMBOL("CENTER40")
...
ENDPGMEXP
STRPGMEXP PGMLVL(*PRV) LVLCHK(*YES) SIGNATURE('V20200704')
EXPORT SYMBOL("ADDDAYS")
EXPORT SYMBOL("CENTER40")
...
ENDPGMEXP

I could have given you a more 'live' example but programmers following me decided not to use multiple signatures and trashed it all and just recompile everything. If they are using service programs at all.
If this
DSPSRVPGM SRVPGM(ROUTINES/SRVPGM) DETAIL(*SIGNATURE)
Looks like this garbage
A5AE6D8F472C4062A3B65BB050DA6E4A
4A5AE6D8F472C409BC1E294E76E16998
Then either they aren't using binder language, or they just use SIGNATURE(*GEN) instead of assigning a signature.


Rob Berendt

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