Shell Programming and Scripting

df -h /dir/im/checking | awk '{print $4}' | grep -v Avail

#! /bin/bash
#cd to the directory which you want to be copy
#DISTDIR is the distination directory you want the files copied to.
#usage: ./sh DISTDIR

declare -i totalspace=0
declare -i freespace

FILELIST=`ls -a $PWD`
DIST=$1

showbar()
{
	total_bar=80 #set to COLUMNS
	dist=$2
	declare -i total=$1
	declare -i already_copy=`du -bsc $dist | awk '{print $1}' | tail -1`
	declare -i bar=1
	declare -i div=already_copy/total  
	declare -i t
	
	echo -n "=>"
	while ((already_copy+4096 < total));do
		t=already_copy*total_bar/total
		div=already_copy/total
		if [ $t -le $bar ];then
			sleep 0.1
			already_copy=`du -bsc $dist | awk '{print $1}' | tail -1`
			continue
		fi
		while ((t>bar));do
			echo -ne "\b=>"
			((bar++))
		done
		already_copy=`du -bsc $dist | awk '{print $1}' | tail -1`
	done
}

for file in $FILELIST;do
	[ "$file" = "." -o "$file" = ".." ] && continue
	[ -f $file ] && totalspace+=`ls -l $file | awk '{print $5}'`
	[ -d $file ] && totalspace+=`du -bsc $file | tail -1 | awk '{print $1}'`
done

freespace=`df -k $DIST | awk '{print $4"000"}'| tail -1`
echo "freespace=$freespace"
[ $totalspace -lt $freespace ] || exit 1


for file in $FILELIST;do
        [ "$file" = "." -o "$file" = ".." ] && continue
	cp -R "$file" "$DIST/$file" &> /dev/null
done &

showbar $totalspace $DIST

: command not found 4:
")syntax error: invalid arithmetic operator (error token is "
': not a valid identifierclare: `freespace
: command not found 7:
: command not found 10:
'/copyProgBar: line 11: syntax error near unexpected token `
'/copyProgBar: line 11: `showbar()