extract one file form .tar.gz without uncompressing .tar.gz file

Shell Programming and Scripting
1

hi all,

kindly help me how to extract one file form .tar.gz without uncompressing .tar.gz file.

thanks in advance
bali

2 
zcat file.tar.gz | tar xvf - file_to_extract

Jean-Pierre.

3

does zcat work on .gz files?
if not:

gunzip -c tar.gz | tar xvf -    blah/blah/ile_you_want