estrlist: improve help

bin/estrlist

@@ -111,10 +111,13 @@ help()
         echo "Usage: $0 <command> [args]"
         echo "Commands:"
         echo "strip_spaces [args]               - remove spaces between words"
-        echo "filter_stip_spaces                - remove spaces from words from standart input"
+        echo "filter_strip_spaces               - remove spaces from words from standart input"
         echo "reg_remove  <PATTERN> [word list] - remove words containing a match to the given PATTERN (grep notation)"
         echo "exclude <list1> [list2]           - print list2 words contains also in list1"
-        echo "reg_exclude <PATTERN> [word list]  - print only words not matched with PATTERN"
+        echo "reg_exclude <PATTERN> [word list] - print only words not matched with PATTERN"
+        echo "union [word list]                 - sort and remove duplicates"
+        echo "list [word list]                  - just list word by line"
+        echo "count [word list]                 - print word count"
         echo
         echo "Examples:"
         echo "\$ $0 reg_remove \"1.\" \"11 12 21 22\""
@@ -123,6 +126,10 @@ help()
         $0 exclude "1 3" "1 2 3 4"
         echo "\$ $0 reg_exclude \"22 1.\" \"11 12 21 22\""
         $0 reg_exclude "22 1." "11 12 21 22"
+        echo "\$ $0 union \"1 2 2 3 3\""
+        $0 union "1 2 2 3 3"
+        echo "\$ $0 count \"1 2 3 4 10\""
+        $0 count "1 2 3 4 10"
 }
 
 COMMAND="$1"