This directory contains the examples from the book "Shell Programming Examples" by Bruce Blinn, published by Prentice Hall. The files in this directory may be copied free of charge for personal, non-commercial use provided that the copyright notice appears in all files. There is no warranty, either expressed or implied, supplied with this code. The following files are contained in this directory: A-README this file Cat concatenate files CheckHostname.sh determine if a hostname is valid Clear.sh clear the terminal screen DirCmp compare the files in two directories DownShift.sh downshift the characters in a string FullName.sh return full name of a file or directory GetYesNo.sh ask a yes or no question IsNewer.sh compare the dates of two files IsNumeric.sh determine if a string is numeric IsSuperuser.sh determine if current user is superuser IsSystemType.sh compare string with current system Kill kill a process (send signal) by name MailPkg package files for mailing MkDir create directory and missing path components Prompt.sh print a message without a newline Question.sh ask a question Shar create a shell archive SpaceAvail.sh determine the space available in a directory SpaceUsed.sh determine the space used by a directory StrCmp.sh compare two strings SystemType.sh return the type of the system Wc recursive version of the wc command addcolumn add a column of numbers append append files decimal2hex.sh convert decimal number to hexadecimal dircopy copy the contents of a directory findcmd search for a command findfile recursively search for a file findstr recursively search for a string hex2decimal.sh convert hexadecimal number to decimal hostaddr return the IP address for a system ptree print a process tree