From d7369a0f81cbe7c2e1d3db686fdcf45b322d01bc Mon Sep 17 00:00:00 2001
From: Muzammil Quadir <mquadir@terpmail.umd.edu>
Date: Wed, 8 May 2019 15:26:10 -0400
Subject: [PATCH 1/2] Initial Commit

---
 packages/ash/assembly/__tests__/sort.spec.ts |  7 +++++++
 packages/ash/assembly/bin/sort.ts            | 16 ++++++++++++++++
 2 files changed, 23 insertions(+)
 create mode 100644 packages/ash/assembly/__tests__/sort.spec.ts
 create mode 100644 packages/ash/assembly/bin/sort.ts

diff --git a/packages/ash/assembly/__tests__/sort.spec.ts b/packages/ash/assembly/__tests__/sort.spec.ts
new file mode 100644
index 0000000..b08b2fa
--- /dev/null
+++ b/packages/ash/assembly/__tests__/sort.spec.ts
@@ -0,0 +1,7 @@
+import { main as sort } from "../bin/sort";
+
+import { Console, fs, Process, CommandLine } from '../../../assemblyscript/assembly/wasa/mock';
+import { FileDescriptor } from '../../../assemblyscript/assembly/wasa/mock/fs';
+import { openStdout, Hello, World, testFile } from './mocks';
+
+
diff --git a/packages/ash/assembly/bin/sort.ts b/packages/ash/assembly/bin/sort.ts
new file mode 100644
index 0000000..17d167b
--- /dev/null
+++ b/packages/ash/assembly/bin/sort.ts
@@ -0,0 +1,16 @@
+
+
+
+export function main(args: string[]): void {
+
+
+  if (args[1] == "-n") {
+    let _args = args.slice(2).join(" ");
+    Console.write(_args, false)
+  } else {
+    let _args = args.slice(1).join(" ")
+    Console.log(_args);
+  }
+
+
+}

From 9be99616b8917e579cedd59dad637da484a881e7 Mon Sep 17 00:00:00 2001
From: Muzammil Quadir <mquadir@terpmail.umd.edu>
Date: Fri, 17 May 2019 11:48:16 -0400
Subject: [PATCH 2/2] Sort Added

---
 packages/ash/assembly/__tests__/simple_fs.ts |  2 +-
 packages/ash/assembly/__tests__/sort.spec.ts | 44 ++++++++++++++++--
 packages/ash/assembly/bin/sort.ts            | 48 +++++++++++++++++---
 3 files changed, 83 insertions(+), 11 deletions(-)

diff --git a/packages/ash/assembly/__tests__/simple_fs.ts b/packages/ash/assembly/__tests__/simple_fs.ts
index 5f4d797..22a9ede 100644
--- a/packages/ash/assembly/__tests__/simple_fs.ts
+++ b/packages/ash/assembly/__tests__/simple_fs.ts
@@ -16,6 +16,6 @@ export const fs_str = `\
             }\
         }\
     },\
-    "numbers": "0\\n1\\n2\\n3\\n4\\n5\\n6\\n7\\n8\\n9\\n10\\n11\\n12\\n13\\n14\\n15\\n16\\n17\\n18\\n19"\
+    "numbers": "0\\n1\\n2\\n3\\n4\\n5\\n6\\n7\\n8\\n9\\n10\\n11\\n12\\n13\\n14\\n15\\n16\\n17\\n18\\n19\\n"\
 }\
 `
\ No newline at end of file
diff --git a/packages/ash/assembly/__tests__/sort.spec.ts b/packages/ash/assembly/__tests__/sort.spec.ts
index b08b2fa..8a83a67 100644
--- a/packages/ash/assembly/__tests__/sort.spec.ts
+++ b/packages/ash/assembly/__tests__/sort.spec.ts
@@ -1,7 +1,45 @@
 import { main as sort } from "../bin/sort";
+import { stdout, Hello, World, testFile, stderr, Hello_World } from './fixtures';
 
-import { Console, fs, Process, CommandLine } from '../../../assemblyscript/assembly/wasa/mock';
-import { FileDescriptor } from '../../../assemblyscript/assembly/wasa/mock/fs';
-import { openStdout, Hello, World, testFile } from './mocks';
 
+describe("sort", (): void => {
 
+    beforeEach((): void => {
+        stdout.reset()
+        Console.stdout.erase() //Erases and resets
+        stderr.reset();
+        Console.stderr.erase() //Erases and resets
+        CommandLine.reset();
+        CommandLine.push("sort");
+    });
+
+    it("should write to stderr if file not found", () => {
+        CommandLine.push("/doesnotexist");
+        sort(CommandLine.all())
+        expect<usize>(Console.stderr.tell()).toBeGreaterThan(0);
+        expect<string>(stderr.readString().result).toStrictEqual("sort: /doesnotexist: No such file or directory\n")
+    });
+
+    it("should write from multiple files", () => {
+        CommandLine.push("/test")
+        CommandLine.push("/numbers")
+        sort(CommandLine.all())
+        log<string>(stdout.readString().result);
+        expect<usize>(Console.stdout.tell()).toBeGreaterThan(Hello_World.lengthUTF8 - 1);
+
+        let line = stdout.readString();
+        while (!line.failed) {
+
+            let line2 = stdout.readString();
+
+            if (line2.failed) {
+                break;
+            }
+
+            expect<string>(line.result).toBeLessThanOrEqualTo(line2.result);
+
+            line = line2;
+        }
+    });
+
+})
diff --git a/packages/ash/assembly/bin/sort.ts b/packages/ash/assembly/bin/sort.ts
index 17d167b..f7415fd 100644
--- a/packages/ash/assembly/bin/sort.ts
+++ b/packages/ash/assembly/bin/sort.ts
@@ -1,16 +1,50 @@
+function stringcomp(s1: string, s2: string): i32 {
+  if (s1 > s2) {
+    return 1;
+  } else if (s1 < s2) {
+    return -1
+  }
 
+  return 0;
+}
 
 
 export function main(args: string[]): void {
 
+  if (args.length > 1) {
+
+    let arr: string[] = [];
+
+    for (let i: i32 = 1; i < args.length; i++) {
+
+      let fd = fs.openFile(args[i]);
+
+      if (!fd.failed) {
+
+        let line = fd.result.readLine();
+        while (!line.failed) {
+          arr.push(line.result);
+          line = fd.result.readLine();
+        }
+
+      } else {
+        Console.error("sort: " + args[i] + ": No such file or directory");
+      }
 
-  if (args[1] == "-n") {
-    let _args = args.slice(2).join(" ");
-    Console.write(_args, false)
-  } else {
-    let _args = args.slice(1).join(" ")
-    Console.log(_args);
-  }
 
 
+    }
+
+    let sorted = arr.sort(stringcomp);
+
+    for (let j: i32 = 0; j < sorted.length; j++) {
+      // log<string>(sorted[j]);
+      Console.write(sorted[j]);
+
+    }
+
+
+
+  }
 }
+