delay_copy.sh

#!/bin/sh
#--[ This is a utility to copy/list files on a drive in cases     ]--#
#--[ where there is only one USB port that a keyboard/mouse       ]--#
#--[ is utilizing.                                                ]--#
#--[                                                              ]--#
#--[ Is open source and such, definately edit it as needed.       ]--#
#--[ Written by Lucas C.                                          ]--#

#--------------[ Various variables assigned here ]---------------#

waitTime=10
userIn=$@
timeCount=$waitTime
currentDir=$(pwd)

#--------------[ Functions defined here ]---------------#

function mountDrive(){
echo "Mounting drive..."
mkdir -p /tmp/usbDrive
mount /dev/sdb /tmp/usbDrive
}

function unmountDrive(){
echo "Unmounting drive..."
umount /dev/sdb
echo "Drive unmounted."
}

function timer(){
echo "You have $waitTime seconds to eject keyboard/enter USB drive"
while [ "$timeCount" != "0" ]
do
    echo "$timeCount"
    sleep 1
    (( timeCount-- ))
done
}

function helpPl0x(){
echo "Help section for the delay_copy utility"
echo ""
echo "Syntax: delay_copy [option]"
echo "Or if root permissions are needed: sudo delay_copy [option]"
echo ""
echo "Command line arguments are:"
echo "  -cp or --copy - Copy files from the drive to the current working directory"
echo "  -ls or --list - List files from the drive"
echo "   -h or --help - This help page"
echo "  -ct or --copyto - copy file(s) to the USB drive"
echo ""
echo "This utility mounts the USB drive at /tmp/usbDrive."
}

function reconnectAlert(){
echo "Devices such as mouse/keyboard can now be reconnected."
}

#---------------[ Program starts here ]--------------#

if [ "$(whoami)" != "root" ]
then
    echo "Note: You may need to run this utility as root for it to function properly."
fi

if [ "$userIn" = "-cp" ] || [ "$userIn" = "--copy" ]
then
    echo "Enter a filename to copy"
    read -p "> " copyUsbDrive
    timer
    mountDrive
    echo "Copying files..."
    cd /tmp/usbDrive/
    cp $copyUsbDrive "$currentDir"
    cd "$currentDir"
    echo "Files copied."
    unmountDrive
    reconnectAlert

elif [ "$userIn" = "-ct" ] || [ "$userIn" = "--copyto" ]
then
    echo "Enter file(s) to copy to the drive"
    read -p "> " copyToDrive
    echo "Enter location on drive to copy files to"
    read -p "> " copyToLocation
    timer
    mountDrive
    echo "Copying files..."
    cp $copyToDrive /tmp/usbDrive/"$copyToLocation"
    echo "Files copied."
    unmountDrive
    reconnectAlert

elif [ "$userIn" = "-ls" ] || [ "$userIn" = "--list" ]
then
    echo "Enter a location on the drive to list, leave blank to list contents of drive"
    read -p "> " listUsbDrive
    timer
    mountDrive
    echo "Contents: [" ; echo ""
    ls /tmp/usbDrive/"$listUsbDrive"
    echo "" ; echo "]" ; echo ""
    unmountDrive
    reconnectAlert

elif [ "$userIn" = "-h" ] || [ "$userIn" = "--help" ]
then
    helpPl0x

else
    helpPl0x
fi

exit 0