MasteringUnixShellScripting:Bash,Bourne,andKornShellScriptingforProgrammers,SystemAdministrators,andUNIXGurus/byRandalK.Michael.UNIXexpertRandalK.Michaelguidesyouthrougheverydetailofwritingshellscriptstoautomatespecifictasks.Eachchapterbeginswithatypical,everydayUNIXchallenge,thenshow