Basic SAS

Just an entry for SAS with the basic .sas file extension and two
examples.

lib/linguist/languages.yml

@@ -1353,6 +1353,11 @@ Rust:
   color: "#dea584"
   primary_extension: .rs
 
+SAS:
+  type: programming
+  color: "#1E90FF"
+  primary_extension: .sas
+
 SCSS:
   type: markup
   group: CSS

samples/SAS/data.sas

@@ -0,0 +1,17 @@
+/* Example DATA step code for linguist */
+
+libname source 'C:\path\to\file'
+
+data work.working_copy;
+	set source.original_file.sas7bdat;
+run;
+
+data work.working_copy;
+	set work.working_copy;
+	if Purge = 1 then delete;
+run;
+
+data work.working_copy;
+	set work.working_copy;
+	if ImportantVariable = . then MissingFlag = 1;
+run;

samples/SAS/proc.sas

@@ -0,0 +1,15 @@
+/* PROC examples for Linguist */
+
+proc surveyselect data=work.data out=work.boot method=urs reps=20000 seed=2156 sampsize=28 outhits;
+	samplingunit Site;	
+run;
+
+PROC MI data=work.boot out=work.bootmi nimpute=30 seed=5686 round = 1;
+	By Replicate;
+	VAR Variable1 Variable2;
+run;
+
+proc logistic data=work.bootmi descending;
+	By Replicate _Imputation_;
+	model Outcome = Variable1 Variable2 / risklimits;
+run;