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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2މ$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙpackage User::grent; use strict; use 5.006_001; our $VERSION = '1.03'; our(@EXPORT, @EXPORT_OK, %EXPORT_TAGS); our ($gr_name, $gr_gid, $gr_passwd, @gr_members); BEGIN { use Exporter (); @EXPORT = qw(getgrent getgrgid getgrnam getgr); @EXPORT_OK = qw($gr_name $gr_gid $gr_passwd @gr_members); %EXPORT_TAGS = ( FIELDS => [ @EXPORT_OK, @EXPORT ] ); } # Class::Struct forbids use of @ISA sub import { goto &Exporter::import } use Class::Struct qw(struct); struct 'User::grent' => [ name => '$', passwd => '$', gid => '$', members => '@', ]; sub populate (@) { return unless @_; my $gob = new(); ($gr_name, $gr_passwd, $gr_gid) = @$gob[0,1,2] = @_[0,1,2]; @gr_members = @{$gob->[3]} = split ' ', $_[3]; return $gob; } sub getgrent ( ) { populate(CORE::getgrent()) } sub getgrnam ($) { populate(CORE::getgrnam(shift)) } sub getgrgid ($) { populate(CORE::getgrgid(shift)) } sub getgr ($) { ($_[0] =~ /^\d+/) ? &getgrgid : &getgrnam } 1; __END__ =head1 NAME User::grent - by-name interface to Perl's built-in getgr*() functions =head1 SYNOPSIS 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"; } use User::grent qw(:FIELDS); getgrgid(0) or die "No group zero"; if ( $gr_name eq 'wheel' && @gr_members > 1 ) { print "gid zero name wheel, with other members"; } $gr = getgr($whoever); =head1 DESCRIPTION This module's default exports override the core getgrent(), getgrgid(), and getgrnam() functions, replacing them with versions that return "User::grent" objects. This object has methods that return the similarly named structure field name from the C's passwd structure from F; namely name, passwd, gid, and members (not mem). The first three return scalars, the last an array reference. You may also import all the structure fields directly into your namespace as regular variables using the :FIELDS import tag. (Note that this still overrides your core functions.) Access these fields as variables named with a preceding C. Thus, C<$group_obj-Egid()> corresponds to $gr_gid if you import the fields. Array references are available as regular array variables, so C<@{ $group_obj-Emembers() }> would be simply @gr_members. The getgr() function is a simple front-end that forwards a numeric argument to getgrgid() and the rest to getgrnam(). To access this functionality without the core overrides, pass the C an empty import list, and then access function functions with their full qualified names. On the other hand, the built-ins are still available via the C pseudo-package. =head1 NOTE While this class is currently implemented using the Class::Struct module to build a struct-like class, you shouldn't rely upon this. =head1 AUTHOR Tom Christiansen