first commit

README.md

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+#  wallsh for mac os
+
+> Get and set the desktop wallpaper of the current workspace.
+
+## How to install
+· [Download](https://github.com/jaumesegarra/wallsh-macos/releases) the binary file 
+· Put it in `/usr/local/bin`  folder.
+
+
+## How to use this command
+
+##### Get
+...
+$  wallsh -g
+...
+
+##### Set 
+...
+$ wallsh -s /Users/jaumesegarra/Pictures/world.png
+...

main.swift

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+//
+//  main.swift
+//  wallsh
+//
+//  Created by Jaume Segarra on 31/8/18.
+//  Copyright © 2018 Jaume Segarra. All rights reserved.
+//
+
+import Foundation
+import AppKit
+
+var arguments = CommandLine.arguments
+arguments.removeFirst(1)
+
+func help() {
+    let message: String =
+        "\n wallsh (v0.1): get and set the desktop wallpaper of the current workspace." +
+            "\n\n Usage:\twallsh [options]" +
+            "\n\n Options:" +
+            "\n -h, --help\t\t\tprint help" +
+            "\n -g      \t\t\tget the current wallpaper" +
+            "\n -s [path]\t\t\tset a wallpaper" +
+    "\n\n Created by Jaume Segarra"
+
+    print(message)
+}
+
+if(arguments.count > 0){
+    switch arguments[0]{
+    case "--help", "-h":
+        help()
+    case "-s":
+        if(arguments.count == 2){
+            exit(setWallpaper(path: arguments[1]))
+        }else{
+            print("No wallpaper path introduced...")
+            exit(1)
+        }
+    case "-g":
+        exit(getWallpaper())
+    default:
+        help()
+    }
+}else { help() }

utils.swift

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+//
+//  utils.swift
+//  wallsh
+//
+//  Created by Jaume Segarra on 31/8/18.
+//  Copyright © 2018 Jaume Segarra. All rights reserved.
+//
+
+import Foundation
+import AppKit
+
+func getWallpaper() -> Int32{
+    var result: Int32 = 1;
+
+    let workspace = NSWorkspace.shared
+
+    if let screen = NSScreen.main {
+        let desktopWallpaper = workspace.desktopImageURL(for: screen);
+
+        var path: String? = desktopWallpaper?.absoluteString;
+        path?.removeFirst(7);
+
+        if(path != nil){
+            print(path!)
+            result = 0
+        }else{
+            print("ERROR: Path no found")
+        }
+    }else{
+        print("ERROR: No wallpaper found")
+    }
+
+    return result
+}
+
+func setWallpaper(path: String) -> Int32{
+    var result: Int32 = 1;
+
+    do {
+        let imgurl = NSURL.fileURL(withPath: path)
+
+        let fileManager = FileManager.default
+        if fileManager.fileExists(atPath: imgurl.path) {
+            let workspace = NSWorkspace.shared
+            if let screen = NSScreen.main {
+                try workspace.setDesktopImageURL(imgurl, for: screen, options: [:])
+                result = 0;
+            }
+        }else{
+            print("ERROR: Wallpaper doesn't exist")
+        }
+    } catch {
+        print("ERROR: ", error)
+    }
+
+    return result
+}