all tasks

Task/Sorting-algorithms-Cocktail-sort/AWK/sorting-algorithms-cocktail-sort.awk

@@ -0,0 +1,30 @@
+{
+  line[NR] = $0
+}
+END { # sort it with cocktail sort
+  swapped = 0
+  do {
+    for(i=1; i < NR; i++) {
+      if ( line[i] > line[i+1] ) {
+	t = line[i]
+	line[i] = line[i+1]
+	line[i+1] = t
+	swapped = 1
+      }
+    }
+    if ( swapped == 0 ) break
+    swapped = 0
+    for(i=NR-1; i >= 1; i--) {
+      if ( line[i] > line[i+1] ) {
+	t = line[i]
+	line[i] = line[i+1]
+	line[i+1] = t
+	swapped = 1
+      }
+    }
+  } while ( swapped == 1 )
+  #print it
+  for(i=1; i <= NR; i++) {
+    print line[i]
+  }
+}