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feat: adding ISLIB validation to mp_validatecol macro

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allan
2026-04-02 23:45:09 +01:00
parent b5a76600d6
commit 186ea1cfba
2 changed files with 41 additions and 1 deletions
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16
base/mp_validatecol.sas
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@@ -1,6 +1,6 @@
/**
@file
@brief Used to validate variables in a dataset
@brief Used to validate values in a data step
@details Useful when sanitising inputs, to ensure that they arrive with a
certain pattern.
Usage:
@@ -27,6 +27,7 @@
@param [in] incol The column to be validated
@param [in] rule The rule to apply. Current rules:
@li ISINT - checks if the variable is an integer
@li ISLIB - checks if the value is a valid libref (NOT whether it exists)
@li ISNUM - checks if the variable is numeric
@li LIBDS - matches LIBREF.DATASET format
@li FORMAT - checks if the provided format is syntactically valid
@@ -65,6 +66,19 @@
else &outcol=1;
drop &tempcol;
%end;
%else %if &rule=ISLIB %then %do;
if _n_=1 then do;
retain &tempcol;
&tempcol=prxparse('/^[_a-z]\w{0,7}$/i');
if missing(&tempcol) then do;
putlog 'ERR' +(-1) "OR: Invalid expression for ISLIB";
stop;
end;
drop &tempcol;
end;
if prxmatch(&tempcol, trim(&incol)) then &outcol=1;
else &outcol=0;
%end;
%else %if &rule=LIBDS %then %do;
/* match libref.dataset */
if _n_=1 then do;