wildcard example script added

wildcard_example.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+
+# Comment Single line
+
+
+echo -e "Directory a created \n"
+mkdir a
+
+echo -e "Directory b created \n"
+mkdir b
+
+echo -e "Directory b created \n"
+mkdir c
+
+echo -e "Directory b created \n"
+mkdir d
+
+echo -e "Creating 1.txt 2.txt 3.txt to a directory \n"
+touch a/1.txt a/2.txt a/3.txt
+
+echo -e "listing of files in a directory "
+ls a/
+
+echo -e "\n Copying file from a directory to b using cp (a/* b/) \n"
+cp a/* b/
+
+echo -e "listing of files in b directory "
+ls b/
+
+echo -e "\n removing all files from b directory using (rm -f /b*) \n"
+rm -f b/*
+
+echo -e "listing of files in b directory "
+ls b/
+
+echo -e "\n copying all files from a directory using extension ( cp a/*.txt c/) \n"
+cp a/*.txt c/
+
+echo -e "listing of files in c directory "
+ls c/
+