bash for OS lecturers

install.sh

#!/bin/bash
if [[ ! -e $HOME/bin/ ]]
then
	mkdir $HOME/bin/
fi
cp sf $HOME/bin/

echo 'export PATH=$PATH:$HOME/bin/' >> $HOME/.bashrc

source $HOME/.bashrc  

redo.sh

#!/bin/bash

if [[ -e execute ]]
then
	mv execute/* .
	rm -r execute/
fi
if [[ -e other ]]
then
	mv other/* .
	rm -r other/
fi
if [[ -e empty ]]
then
	mv empty/* .
	rm -r empty/
fi

sorting.sh

#!/bin/bash

function foo {

	files=$(pwd)/*
	if [[ ! -e execute ]]
	then
		mkdir execute
	fi
	if [[ ! -e other ]]
	then
		mkdir other
	fi
	if [[ ! -e empty ]]
	then
		mkdir empty
	fi


	for file in $files
	do
		echo $file
		if [ -f $file ]
		then 
			if [[ -x $file ]]
			then
				mv $file execute/
			elif [[ -s $file ]]
			then
				mv $file other/
			else
				mv $file empty/
			fi
		elif [[ -d $file && ! -s $file ]]
		then
			cd $file
			foo
		fi
	done
}

foo