September 2017 Update

Task/Search-a-list/Jq/search-a-list.jq

@@ -0,0 +1,17 @@
+["a","b","c"] | index("b")
+# => 1
+
+["a","b","c","b"] | index("b")
+# => 1
+
+["a","b","c","b"]
+  | index("x") // error("element not found")
+# => jq: error: element not found
+
+# Extra task - the last element of an array can be retrieved
+# using `rindex/` or by using -1 as an index into the array produced by `indices/1`:
+["a","b","c","b","d"] | rindex("b")
+# => 3
+
+["a","b","c","b","d"] | indices("b")[-1]
+# => 3