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Or ... read the output from the called script:

#script1
./script2 | read reply
echo "Reply is: ${reply}"

#script2
echo "Working"
exit 0

./script1
Reply is: Working

Simply source the called script, then all variables set there are available in the calling script too.
$ ./script1.sh
calling script 2
String: it works
Value: 1

$ cat script1.sh
echo calling...

May be with command substitution.

Hint:

lem@biggy:/tmp$ cat file1
#!/bin/sh
false || echo "problem"
exit 0

lem@biggy:/tmp$ cat file2
#!/bin/sh
echo first
echo $(/tmp/file1)
echo last...

To add some explanation to spacebar's post if it's not obvious...

To reference an array element you must enclose it in curly braces:


echo ${stuff[0]}

idx=0
echo ${stuff[$idx]}

Try this:
$ stuff[0]="foo"; grep -e "^\[\"Item\",\"${stuff[0]}\"," test.txt
["Item","foo",

The shell is field splitting the unquoted variable reference, using $IFS. Try:
eval "$stuff"