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fix: updating return codes

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Allan
2021-01-26 16:04:44 +01:00
parent 79c81aa8a4
commit 8bb83deede
2 changed files with 220 additions and 12 deletions
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18
base/mf_existfileref.sas
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@@ -4,12 +4,11 @@
@details You can probably do without this macro as it is just a one liner.
Mainly it is here as a convenient way to remember the syntax!
For this macro, if the fileref exists but the underlying file does not exist
@param fref the fileref to detect
@return output returns 1 if found AND the file exists. 0 is returned if not
found, and -1 is returned if the fileref is found but the file does not exist.
@return output Returns 1 if found and 0 if not found. Note - it is possible
that the fileref is found, but the file does not (yet) exist. If you need
to test for this, you may as well use the fileref function directly.
@version 8
@author [Allan Bowe](https://www.linkedin.com/in/allanbowe/)
@@ -17,15 +16,12 @@
%macro mf_existfileref(fref
)/*/STORE SOURCE*/;
%local result;
%let result=%sysfunc(fileref(&fref));
%if &result>0 %then %do;
0
%end;
%else %if &result=0 %then %do;
%if %sysfunc(fileref(&fref))=0 %then %do;
1
%end;
%else %do;
-1
0
%end;
%mend;