This is, as you might expect, just the reverse of storing. You need to create a binary-aware stream on the data and attach it to an STBInFiler. Then each send of the #next method will recreate and answer the corresponding object that was #nextPut: into the data stream by the STBOutFiler.

S := FileStream read: 'Test.STB' text: false.

STB := STBInFiler on: S.

X := STB next.

Y := STB next.

Z := STB next.

S close.

 

To retrieve the objects from a ByteArray rather than a file, simply substitute a ReadStream on the byte array instead of a file stream.