Shell Programming and Scripting

##############################Option Check###############################
#!/bin/bash

#########################UPTIME########################################
fn_uptimeinfo()
{
echo "Machine Uptime Information:"
echo -e "\033[32m uptime"
tput sgr0                    #restores the terminal settings to normal.
uptime
echo "Command Description:"
echo "<current time> <Uptime since> <hour:min>"
echo "Number of users logged in to machine"
echo "load average <for last one minute>,<for last 5 minutes>,<for last 15 minutes>"
echo "________________________________________________________________"
}
fn_terminalinfo()
{
echo "Terminal Information:"
echo -e "\033[32m w"
tput sgr0
w
echo "________________________________________________________________"
}
#################################################################

#######################Disk Information###############################
fn_diskinfo()
{
echo "Disk Utilization"
echo -e "\033[32m df -h"
tput sgr0
df -h
echo "________________________________________________________________"
}
fn_partitioninfo()
{
echo "Disk Partition Information"
echo -e "\033[32m cat /proc/partitions"
tput sgr0
cat /proc/partitions
echo "________________________________________________________________"
}
######################################################################
fn_automatic()
{
echo "########Disk Information########"
fn_diskinfo
fn_partioninfo
}
if [ $# -eq 0 ]
then
  echo "Automatic Mode Selected"
  fn_automatic
else
  while getopts ai option 2>/dev/null
  do
    case "$option" in
      a) echo "Automatic Mode Selected"
         fn_automatic
         echo "Thanks";;
      i) echo "Interacive Mode Selected";;
      ?) echo "Please select proper option"
         echo list of available options
         -a automatic -i interactive ;;
    esac
  done
fi

#######################################################################
#!/bin/bash
#########################UPTIME########################################
fn_uptimeinfo()
{
echo "Machine Uptime Information:"
echo -e "\033[32m uptime"
tput sgr0                    #restores the terminal settings to normal.
uptime
echo "Command Description:"
echo "<current time> <Uptime since> <hour:min>"
echo "Number of users logged in to machine"
echo "load average <for last one minute>,<for last 5 minutes>,<for last 15 minutes>"
echo "________________________________________________________________"
}
fn_terminalinfo()
{
echo "Terminal Information:"
echo -e "\033[32m w"
tput sgr0
w
echo "________________________________________________________________"
}
#################################################################
######################CPU INFO########################################
fn_cpuinfo()
{
echo -e "\033[32m cat /proc/cpuinfo"
tput sgr0
cat /proc/cpuinfo
echo "________________________________________________________________"
}
fn_cpueaterprocess()
{
echo "Top 10 C.P.U Consumer Processes:"
echo -e "\033[32m ps -auxf | sort -nr -k 3 | head -10 "
tput sgr0
ps -auxf | sort -nr -k 3 | head -10
echo "________________________________________________________________"
}
######################################################################
#########################Memory Information###########################
fn_meminfo()
{
echo -e "\033[32m cat /proc/meminfo"
tput sgr0
cat /proc/meminfo
echo "________________________________________________________________"

echo -e "\033[32m free -m"
tput sgr0
free -m
echo "________________________________________________________________"

}

fn_memeaterprocess()
{
echo "Top 10 Memory Consumer Processes:"
echo -e "\033[32m ps -auxf | sort -nr -k 4 | head -10 "
tput sgr0
ps -auxf | sort -nr -k 4 | head -10
echo "________________________________________________________________"
}
######################################################################
#######################Disk Information###############################
fn_diskinfo()
{
echo "Disk Utilization"
echo -e "\033[32m df -h"
tput sgr0
df -h
echo "________________________________________________________________"
}
fn_partitioninfo()
{
echo "Disk Partition Information"
echo -e "\033[32m cat /proc/partitions"
tput sgr0
cat /proc/partitions
echo "________________________________________________________________"
}
######################################################################
fn_automatic()
{
echo "########CPU Information########"
fn_uptimeinfo
fn_terminalinfo
fn_cpuinfo
fn_cpueaterprocess
echo "########Memory Information########"
fn_meminfo
fn_memeaterprocess
echo "########Disk Information########"
fn_diskinfo
fn_partitioninfo
}
if [ $# -eq 0 ]
then
  echo "Automatic Mode Selected"
  fn_automatic
else
  while getopts ai option 2>/dev/null
  do
    case "$option" in
      a) echo "Automatic Mode Selected"
         fn_automatic
         echo "Thanks";;
      i) echo "Interacive Mode Selected";;
      ?) echo "Please select proper option"
         echo list of available options
         -a automatic -i interactive ;;
    esac
  done
fi