Initial data commit

Task/Binary-strings/Jq/binary-strings-1.jq

@@ -0,0 +1,10 @@
+# If the input is a valid representation of a binary string
+# then pass it along:
+def check_binary:
+  . as $a
+  | reduce .[] as $x
+    ($a;
+     if $x | (type == "number" and . == floor
+              and 0 <= . and . <= 255) then $a
+     else error("\(.) is an invalid representation of a byte")
+     end );