SYNOPSIS

zrio make <gz-file> [<index level>]

zrio use <gz-file> <offset>[<offlen>]

DESCRIPTION

make index for gz-file,index filename will be <gz-file>.idx

each level increasing the time for search whist decreasing the size of index

level: default 1024, 1/1024 of source file

level: 512, 1/512 of source file

level: ...

use index <gz-file>.idx, exact from offset(source position) to stdout

AUTHOR

This manpage was written by Andreas Tille for the Debian distribution and can be used for any other usage of the program.