Data commit

Task/Associative-array-Merging/AWK/associative-array-merging.awk

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+# syntax: GAWK -f ASSOCIATIVE_ARRAY_MERGING.AWK
+#
+# sorting:
+#   PROCINFO["sorted_in"] is used by GAWK
+#   SORTTYPE is used by Thompson Automation's TAWK
+#
+BEGIN {
+    PROCINFO["sorted_in"] = "@ind_str_asc" ; SORTTYPE = 1
+    arr1["name"] = "Rocket Skates"
+    arr1["price"] = "12.75"
+    arr1["color"] = "yellow"
+    show_array(arr1,"base")
+    arr2["price"] = "15.25"
+    arr2["color"] = "red"
+    arr2["year"] = "1974"
+    show_array(arr2,"update")
+    for (i in arr1) { arr3[i] = arr1[i] }
+    for (i in arr2) { arr3[i] = arr2[i] }
+    show_array(arr3,"merged")
+    exit(0)
+}
+function show_array(arr,desc,  i) {
+    printf("\n%s array\n",desc)
+    for (i in arr) {
+      printf("%-5s : %s\n",i,arr[i])
+    }
+}