Shell Programming and Scripting

#!/bin/bash
length=$ ## Int length of string1
 noletter=1
 cnt=1
 x=0
while [ $noletter -le $length ]
do
  set -- $( echo $string1 | cut -c${cnt} )
  string1array[$x]=$1
  noletter=$(( noletter + 1 ))
  cnt=$(( cnt + 1 ))
  x=$(( $x + 1 ))
done

y=0
length = ##integer length of word
echo "Array is: "
while [ $y -lt $length ]
do
  echo -ne "${string1array[$y]} "
  y=$(( y + 1 ))
done

{ string=abcd
        for i ({1..$#string}) print -n $string[i]
print;}

{ string=abcd
i=0
while ((i<${#string}));do
	printf "%s " "${string:i:1}"
	((++i))
done
printf "\n";}