with-group-cache ( quot -- )

Vocabulary

unix.groups

Inputs

quot	a quotation

Outputs

None

Word description

Iterates over the group file using library calls and creates a cache in the group-cache symbol. The cache is a hashtable indexed by group id. When looking up many groups, this approach is much faster than calling system calls.

Definition

USING: kernel namespaces ;

IN: unix.groups

: with-group-cache ( quot -- )
    [ <group-cache> group-cache ] dip with-variable ; inline