Added linearSearch algorithm

anil-tuggaladoni · anil-tuggaladoni · commit 0c67a9d2e85e · 2020-09-25T11:55:44.000+05:30
diff --git a/Search/LinearSearch/README.md b/Search/LinearSearch/README.md
@@ -0,0 +1,12 @@
+#Run the linearSearch.js as
+
+`node fileName inputArray key`
+
+example:
+
+`node linearSearch.js [1,2,3,4] 3`
+
+Output:
+
+1. Success - `Key found at index: index`
+2. Failure - `Key Not Found`
diff --git a/Search/LinearSearch/linearSearch.js b/Search/LinearSearch/linearSearch.js
@@ -0,0 +1,23 @@
+// Program implementing Linear Search
+
+let args = process.argv;
+
+args[2] = args[2].replace("[", "");
+args[2] = args[2].replace("]", "");
+
+let arr = args[2].split(",").map(Number);
+key = Number(args[3]);
+let keyFound = false;
+let index = 0;
+for (let i = 0; i < arr.length; i++) {
+  if (Number(arr[i]) === key) {
+    keyFound = true;
+    index = i;
+  }
+}
+
+if (keyFound === true) {
+  console.log(`Key found at index: ${index}`);
+} else {
+  console.log("Key Not Found");
+}
