Initial data commit

Task/CSV-data-manipulation/SenseTalk/csv-data-manipulation.sensetalk

@@ -0,0 +1,24 @@
+// For test purposes, start by creating (or re-creating) the data file
+put {{
+C1,C2,C3,C4,C5
+1,5,9,13,17
+2,6,10,14,18
+3,7,11,15,19
+4,8,12,16,20
+}} into file "myData.csv"
+
+// Read the file as a list of lists (rather than as the default list of property lists)
+put CSVValue(file "myData.csv", asLists:Yes) into csvData
+
+insert "SUM" into item 1 of csvData -- add a new column heading
+
+// Go through all of the data rows to add the sum
+repeat with rowNum= 2 to the number of items in csvData
+	insert the sum of item rowNum of csvData into item rowNum of csvData
+end repeat
+
+put csvData -- see the modified data as a list of lists
+
+put CSVFormat of csvData into file "myData.csv"
+
+put file "myData.csv" -- display the updated file contents