Create a script where the script reads the existing custom environment variable SCCDEVINFO (created with 'export SCCDEVINFO=value' which you will need to create to demonstrate the script), which will contain a user. Loop through each file in that user's home directory (ignore the subdirectories) and append the line cookie=a87vandks6282basdfk7 to the end of the file, if the file does not already contain a line with 'cookie='. Once completed, take a screenshot of the source code of the script, and of the script executing, to execute the script you will need to create your own sample input, please include the sample input as part of your execution screenshot.