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8.229. User::grent
Overrides core
getgrent, getgruid, and
getgrnam functions with versions that return
User::grent objects. The object returned has methods with the same
names as the structure fields they return. That is, to return the
field name, use the name
method:
use User::grent;
$gr = getgrgid(0) or die "No group zero";
if ( $gr->name eq 'wheel' && @{$gr->members} > 1 ) {
print "gid zero name wheel, with other members";
}
The field names (and therefore the method names) are the same as the
names of the fields in the group structure from
the C file grp.h: name,
passwd, gid, and
members (not mem). The
first three return scalars, the last an array reference. You can
access the fields with the methods or by importing the fields into
your namespace with the :FIELDS import tag and prepending
gr_ to the method name (for example,
gr_name). Exports four functions.
| getgr |
$gr->getgr(arg)
Frontend that forwards a numeric arg to
getgrid and other args
to getgrname.
| getgrent |
$gr = getgrent( )
Successive calls to getgrent return objects
representing successive entries from the group file.
| getgrgid |
$gr = getgrgid(gid)
Accesses the group file by group ID gid.
| getgrnam |
$gr = getgrnam(gname)
Accesses the group file by group name
gname.
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| 8.228. UNIVERSAL |  | 8.230. User::pwent |
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