initial commit

chapter1/select_system_info_menu.bash

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+#!/bin/bash
+#
+# SCRIPT: select_system_info_menu.bash
+# AUTHOR: Randy Michael
+# DATE: 1/17/2008
+# REV: 1.0
+# 
+# PURPOSE: This shell script uses the shell's select
+# command to create a menu to show system information
+
+# Clear the screen
+clear
+
+# Display the menu title header
+echo -e "\n\tSYSTEM INFORMATION MENU\n"
+
+# Define the menu prompt
+
+PS3="Select an option and press Enter: "
+
+# The select command defines what the menu
+# will look like
+
+select i in OS Host Filesystems Date Users Quit
+do
+   case $i in
+      OS)    echo
+             uname
+             ;;
+      Host)  echo
+             hostname
+             ;;
+      Filesystems)
+             echo
+             df -k | more
+             ;;
+      Date)  echo
+             date
+             ;;
+      Users) echo
+             who
+             ;;
+      Quit)  break
+             ;;
+   esac
+
+   # Setting the select command's REPLY variable
+   # to NULL causes the menu to be redisplayed
+
+   REPLY=
+
+   # Pause before redisplaying the menu
+
+   echo -e "\nPress Enter to Continue...\c"
+   read
+
+   # Ready to redisplay the menu again
+
+   # clear the screen
+
+   clear
+
+   # Display the menu title header
+
+   echo -e "\n\tSYSTEM INFORMATION MENU\n"
+
+done
+
+# Clear the screen before exiting
+
+clear
+