Merge pull request oldratlee#92 from zavakid/dev-2.x

add uniq-lines command
flynnxin0730 · Feb 19, 2021 · dad2bee · dad2bee
2 parents 273fb91 + 0a4212d
commit dad2bee
Showing 1 changed file with 19 additions and 0 deletions.
diff --git a/bin/uniq-lines 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