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Allan Bowe
2022-01-28 16:49:20 +00:00
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@@ -181,7 +181,7 @@ When contributing to this library, it is therefore important to ensure that all
- The closing `%mend;` should **not** contain the macro name.
- All macros should be defined with brackets, even if no variables are needed - ie `%macro x();` not `%macro x;`
- Mandatory parameters should be positional, all optional parameters should be keyword (var=) style.
- All dataset references must be 2 level (eg `work.blah`, not `blah`). This is to avoid contention when options [DATASTMTCHK](https://support.sas.com/documentation/cdl/en/lrdict/64316/HTML/default/viewer.htm#a000279064.htm)=ALLKEYWORDS is in effect.
- All dataset references must be 2 level (eg `work.blah`, not `blah`). This is to avoid contention when options [DATASTMTCHK](https://support.sas.com/documentation/cdl/en/lrdict/64316/HTML/default/viewer.htm#a000279064.htm)=ALLKEYWORDS is in effect, or the [USER](https://documentation.sas.com/doc/en/pgmsascdc/9.4_3.5/lrcon/n18m1vkqmeo4esn1moikt23zhp8s.htm) library is active.
- Avoid naming collisions! All macro variables should be local scope. Use system generated work tables where possible - eg `data ; set sashelp.class; run; data &output; set &syslast; run;`
- Where global macro variables are absolutely necessary, they should make use of `&sasjs_prefix` - see mp_init.sas
- The use of `quit;` for `proc sql` is optional unless you are looking to benefit from the timing statistics.