the input() function pops up in interactive pythons console as far as I understand that function.
In SAS case we don't have that kind "interactive" console right away.
If you have windows DMS SAS session you could use %WINDOW command to generate popping up window which can grab parameters (but it's only for DMS)
In Enterprise Guide you could set project prompts popping up at start of the process, but again it's EG specific.
xlsx file has this advantage that you can edit it easily, "double check" values before run, etc.
one more option I would consider is a "trivial" txt file with form:
paramerter1:value1
paramerter2:value2
paramerter3:value3
...
...
instead xlsx, txt file is easier to modify on every OS, does not require MS Excel, etc.
Bart
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