UNIX for Dummies Questions & Answers

$ foo='1218141 1441 1664 122222'
$ echo $foo
1218141 1441 1664 122222
$ echo $foo | read a b c d
$ echo $a
1218141
$ echo $b
1441
$ echo $c
1664
$ echo $d
122222
$

foo='1218141   1441  1664  122222'
read A B C D <<< "$foo"
echo $A
echo $B
echo $C
echo $D

declare -a A; export A
FOO="one two three four"
IND=0
set $FOO #break up the string
while test ! -z $1
do
  A[$IND]=$1; shift
  IND=$(($IND + 1))
done
echo ${A[0]}, ${A[3]} #just a test sample...

foo='1218141 1441 1664 122222'
typeset -a bar=($foo)

echo ${bar[0]}
echo ${bar[1]}
echo ${bar[2]}
echo ${bar[3]}

for i in ${bar[@]}; do 
  echo $i
done

for ((i=0; i<${#bar[@]};i++)); do
   echo ${bar[i]}
done