Data update

Task/Introspection/Jq/introspection.jq

@@ -0,0 +1,23 @@
+def checkVersion:
+  $version
+  | capture("^[^- ]*(?<jq>[- ])(?<major>[0-9]*)[.](?<minor>[0-9]*)") // {jq: 0}
+  | if .jq == 0 then "unrecognized version identification: \($version)" | error
+    elif .jq == "-"  # jq
+         and (.major < "1" or (.major == "1" and .minor < "5"))
+    then "version \($version) is too old" | error
+    elif .jq == " "  # gojq
+         and (.major == "0" and  (.minor | tonumber) < 12)
+    then "version \($version) is too old" | error
+    else .
+    end;
+
+  checkVersion
+
+  # Check that abs/0 is defined
+  | (builtins | index("abs/0")) as $ix
+  | if $ix == null then "abs/0 not available" | error else . end
+
+  # Is bloop a global variable?
+  | if ($ARGS.named | has("bloop")) then $ARGS.named["bloop"] | abs
+    else "There is no globally defined variable name $bloop." | error
+    end