Node.js solution for week 110, part 2

2 files changed, 30 insertions, 0 deletions

diff --git a/challenge-110/abigail/README.md b/challenge-110/abigail/README.md
index c8b41d05d1..679024e8bb 100644
--- a/challenge-110/abigail/README.md
+++ b/challenge-110/abigail/README.md
@@ -80,6 +80,7 @@ sex,m,m,f,f
 * [Bash](bash/ch-2.ch)
 * [C](c/ch-2.c)
 * [Lua](lua/ch-2.lua)
+* [Node.js](node/ch-2.js)
 * [Perl](perl/ch-2.pl)
 
 ### Blog
diff --git a/challenge-110/abigail/node/ch-2.js b/challenge-110/abigail/node/ch-2.js
new file mode 100644
index 0000000000..6f41fcd92f
--- /dev/null
+++ b/challenge-110/abigail/node/ch-2.js
@@ -0,0 +1,29 @@
+#!/usr/local/bin/node
+
+//
+// See ../README.md
+//
+
+//
+// Run as: node ch-2.js < input-file
+//
+
+let out = []
+
+  require      ("fs")
+. readFileSync (0)                     // Read all.
+. toString     ()                      // Turn it into a string.
+. split        ("\n")                  // Split on newlines.
+. filter       (_ => _ . length)       // Filter out empty lines.
+. map          (_ => _ . split (','))  // Split each line on commas
+. forEach      (_ => _ .
+      forEach ((field, index) => {     // Create output strings
+           if (out [index] == null) {
+               out [index] = ""
+           }
+           out [index] += "," + field
+      }))
+
+out . forEach (_ => console . log (_ . substr (1))) // Print the output
+                                                    // strings, skipping the
+                                                    // leading comma.