September 2017 Update

Task/Formatted-numeric-output/Jq/formatted-numeric-output-1.jq

@@ -0,0 +1,15 @@
+def pp0(width):
+  tostring
+  | if width > length then (width - length) * "0" + . else . end;
+
+# pp(left; right) formats a decimal number to occupy
+# (left+right+1) positions if possible,
+# where "left" is the number of characters to the left of
+# the decimal point, and similarly for "right".
+def pp(left; right):
+  def lpad: if (left > length) then ((left - length) * "0") + . else . end;
+  tostring as $s
+  | $s
+  | index(".") as $ix
+  | ((if $ix then $s[0:$ix] else $s end) | lpad) + "." +
+    (if $ix then $s[$ix+1:] | .[0:right] else "" end);

Task/Formatted-numeric-output/Jq/formatted-numeric-output-2.jq

@@ -0,0 +1 @@
+(1.0, 12.3, 333.333, 1e6) | pp0(10)

Task/Formatted-numeric-output/Jq/formatted-numeric-output-3.jq

@@ -0,0 +1,4 @@
+0000000001
+00000012.3
+000333.333
+0001000000

Task/Formatted-numeric-output/Jq/formatted-numeric-output-4.jq

@@ -0,0 +1 @@
+(1.0, 12.3, 333.333, 1e6) | pp(4;2)

Task/Formatted-numeric-output/Jq/formatted-numeric-output-5.jq

@@ -0,0 +1,4 @@
+0001.
+0012.3
+0333.33
+1000000.