Data commit

Task/Take-notes-on-the-command-line/Swift/take-notes-on-the-command-line.swift

@@ -0,0 +1,41 @@
+import Foundation
+
+let args = Process.arguments
+let manager = NSFileManager()
+let currentPath = manager.currentDirectoryPath
+var err:NSError?
+
+// Create file if it doesn't exist
+if !manager.fileExistsAtPath(currentPath + "/notes.txt") {
+    println("notes.txt doesn't exist")
+    manager.createFileAtPath(currentPath + "/notes.txt", contents: nil, attributes: nil)
+}
+
+// handler is what is used to write to the file
+let handler = NSFileHandle(forUpdatingAtPath: currentPath + "/notes.txt")
+
+// Print the file if there are no args
+if args.count == 1 {
+    let str = NSString(contentsOfFile: currentPath + "/notes.txt", encoding: NSUTF8StringEncoding, error: &err)
+    println(str!)
+    exit(0)
+}
+
+let time = NSDate()
+let format = NSDateFormatter()
+let timeData = (format.stringFromDate(time) + "\n").dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)
+format.dateFormat = "yyyy.MM.dd 'at' HH:mm:ss zzz"
+
+// We're writing to the end of the file
+handler?.seekToEndOfFile()
+handler?.writeData(timeData!)
+
+var str = "\t"
+for i in 1..<args.count {
+    str += args[i] + " "
+}
+
+str += "\n"
+
+let strData = str.dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)
+handler?.writeData(strData!)