Added usage of case in bash

bash/case.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+echo "Do you know how to contribute to open source projects?"
+read -p "Yes/No: " response
+case $response in
+    Yes|yes|YES)
+        echo "Thats great, you can also contribute to this repo"
+        ;;
+    No|no|NO)
+        echo "You can follow this https://github.com/firstcontributions/first-contributions"
+        echo "Then come back here and start contributing"
+        ;;
+esac
+echo -e "\n\nThank You"

bash/text_file.txt

@@ -0,0 +1,11 @@
+total 9
+-rwxr-xr-x 1 Khagapati 197121 391 Oct  2 09:50 arithmatic.sh
+-rwxr-xr-x 1 Khagapati 197121 418 Oct  2 10:59 case.sh
+-rwxr-xr-x 1 Khagapati 197121 403 Oct  1 23:09 for_loop.sh
+-rwxr-xr-x 1 Khagapati 197121  33 Oct  1 22:58 hello_world.sh
+-rwxr-xr-x 1 Khagapati 197121  86 Oct  2 22:46 read_from_a_file.sh
+-rw-r--r-- 1 Khagapati 197121   0 Oct  2 22:46 text_file.txt
+-rwxr-xr-x 1 Khagapati 197121 138 Oct  1 22:58 use_echo.sh
+-rwxr-xr-x 1 Khagapati 197121  83 Oct  1 22:58 user_input.sh
+-rwxr-xr-x 1 Khagapati 197121 125 Oct  1 22:58 while_loop.sh
+-rwxr-xr-x 1 Khagapati 197121 130 Oct  2 22:45 write_to_a_file.sh

bash/write_to_a_file.sh

@@ -0,0 +1,6 @@
+#!/bin/bash  
+#Create output file, override if already present  
+output=text_file.txt  
+
+#Write data to a file  
+ls -l> $output