compressing binary
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

$ which tarbz2
tarbz2 is aliased to `/bin/tar --bzip2 -cvpf'

$ which targz
targz is aliased to `/bin/tar -cvzpf'




$ du --max-depth=1 -k openoffice.org-core_1%3a2.3.0-1ubuntu5.3_i386.deb
36996   openoffice.org-core_1%3a2.3.0-1ubuntu5.3_i386.deb


$ time tarbz2 oo.tar.bz2 openoffice.org-core_1%3a2.3.0-1ubuntu5.3_i386.deb
real    0m19.243s
user    0m18.761s
sys     0m0.156s

$ ls -lk oo.tar.bz2
-rw------- 1 USER USER 36931 17.12.2007 15:23 oo.tar.bz2


$ time tar cf - openoffice.org-core_1%3a2.3.0-1ubuntu5.3_i386.deb  |  7za  a  -si oo.tar.7z
real    0m32.141s
user    0m30.506s
sys     0m0.312s

$ ls -lk oo.tar.7z
-rw------- 1 USER USER 37014 17.12.2007 15:24 oo.tar.7z


$ time tar cf - openoffice.org-core_1%3a2.3.0-1ubuntu5.3_i386.deb | 7za a -si -m0=lzma oo-lzma.tar.7z
real    0m31.555s
user    0m30.762s
sys     0m0.324s

$ ls -lk oo-lzma.tar.7z
-rw------- 1 USER USER 37014 17.12.2007 15:27 oo-lzma.tar.7z


$ time targz oo.tar.gz openoffice.org-core_1%3a2.3.0-1ubuntu5.3_i386.deb      
real    0m3.316s
user    0m2.988s
sys     0m0.140s

$ ls -lk oo.tar.gz
-rw------- 1 USER USER 36723 17.12.2007 15:29 oo.tar.gz





extracting binary
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

$ which untarbz2
untarbz2 is aliased to `/bin/tar --bzip2 -xvpf'

$ which untargz
untargz is aliased to `/bin/tar -xvzpf'



$ time untarbz2 oo.tar.bz2
real    0m8.522s
user    0m8.205s
sys     0m0.232s

$ ls -lk open*
-rw------- 1 USER USER 36951 17.12.2007 15:20 openoffice.org-core_1%3a2.3.0-1ubuntu5.3_i386.deb


$ time untargz oo.tar.gz
real    0m0.636s
user    0m0.484s
sys     0m0.128s

$ ls -lk open*
-rw------- 1 USER USER 36951 17.12.2007 15:20 openoffice.org-core_1%3a2.3.0-1ubuntu5.3_i386.deb


$ time 7za x -so oo.tar.7z | tar xf -       
real    0m5.849s
user    0m5.616s
sys     0m0.176s

$ ls -lk open*
-rw------- 1 USER USER 36951 17.12.2007 15:20 openoffice.org-core_1%3a2.3.0-1ubuntu5.3_i386.deb