to add check for the number of arguments and to ensure that there is at least one file that exists in th... ur surname :"
read S_NAME
The task is to make sure that the characters entered in both variables con... e a while loop for each of the inputs; this makes sure that we will continue prompting until a correct v... nction in a script, create the function, and make sure it is above the code that calls it. Here's a scri