# IFS set
a='111|222|333'    
OIFS=$IFS; IFS="|"; set -- $a; aa=$1;bb=$2;cc=$3; IFS=$OIFS 
echo $aa $bb $cc 
111 222 333 

#eval
s='a=22;b=33;c=44;d=5'
eval $s
echo $a $c $b $d