From 0a4212d4fc9fb3be42768c066dc5288f5defca3b Mon Sep 17 00:00:00 2001
From: Zava <zava.kid@gmail.com>
Date: Tue, 2 Feb 2021 13:57:51 +0800
Subject: [PATCH] + add uniq-lines command

---
 bin/uniq-lines | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100755 bin/uniq-lines

diff --git a/bin/uniq-lines b/bin/uniq-lines
new file mode 100755
index 00000000..6368665e
--- /dev/null
+++ b/bin/uniq-lines
@@ -0,0 +1,19 @@
+#!/bin/bash
+# @Function
+# print uniq line keep order, no sorting required
+
+outputUniqLines() {
+  awk '{
+    s[$0]++
+  }
+
+  END {
+    for(v in s) {
+      if (s[v] == 1) {
+        print v
+      }
+    }
+  }'
+}
+
+cat "$@" | outputUniqLines