晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 .
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Current File : //scripts/editquota
#!/usr/local/cpanel/3rdparty/bin/perl

# cpanel - scripts/editquota                       Copyright 2022 cPanel, L.L.C.
#                                                           All rights reserved.
# copyright@cpanel.net                                         http://cpanel.net
# This code is subject to the cPanel license. Unauthorized copying is prohibited

use strict;
use warnings;
use Cpanel::CachedCommand::Utils ();
use Cpanel::FindBin              ();
use Cpanel::Quota::Blocks        ();
use Cpanel::Quota::OverCache     ();
use Cpanel::Locale 'lh';
$| = 1;

if ( !@ARGV ) {
    print "Usage: editquota <user> <?M>\n";
    exit 1;
}

my $user     = $ARGV[0];
my $quota    = $ARGV[1];
my $quotaoff = $ARGV[2] || '';

if ( !defined $user || ( ( $user =~ m/^\d+$/ && !getpwuid($user) ) && !getpwnam($user) ) ) {
    print "Invalid user\n";
    print "Usage: editquota <user> <?M>\n";
    exit 1;
}

if ( !defined $quota || ( $quota !~ m/^\d+(?:\.\d+)?M$/i && $quota !~ m/unlimited/i ) ) {
    print "Invalid quota\n";
    print "Usage: editquota <user> <?M>\n";
    exit 1;
}

my %cmd = (
    'quotaon'  => undef,
    'quotaoff' => undef,
    'edquota'  => undef,
);
my @missing_cmds;
foreach my $cmd_name ( keys %cmd ) {
    $cmd{$cmd_name} = Cpanel::FindBin::findbin($cmd_name);
    if ( !-x $cmd{$cmd_name} ) {
        push @missing_cmds, $cmd_name;
    }
}
if ( scalar @missing_cmds ) {
    print "Incomplete quota kit: unable to edit quotas.\n";
    print 'Missing commands: ', join( ', ', @missing_cmds ), "\n";
    exit 1;
}

if ( $user =~ m/^\d+$/ ) {
    $user = ( getpwuid($user) )[0];
}

if ( $user =~ /^cpanel(phpmyadmin|phppgadmin|roundcube)$/ ) {
    $quota = 0;
}

if ( $quota !~ m/unlimited/i ) {
    $quota =~ s/M$//i;

    # Round up or down to the nearest whole MB.
    $quota = sprintf( '%.0f', $quota );
}
else {
    $quota = 0;
}

########################################################################

my $quota_in_blocks = $quota * 1024;
my $cpanel_quota_blocks;

eval {
    $cpanel_quota_blocks = Cpanel::Quota::Blocks->new();
    $cpanel_quota_blocks->set_user($user)->set_limits( { soft => $quota_in_blocks, hard => $quota_in_blocks } );
};
if ( my $exception = $@ ) {
    if ( eval { $exception->isa('Cpanel::Exception::Quota::NotEnabled') } ) {
        print lh()->maketext( "Filesystem quotas are not enabled. The “[_1]” user does not require any changes.", $user ) . "\n";
        exit;
    }
    else {
        die $exception;
    }
}

# This script used to say "Using Universal Quota Support (quota=.......)" because it
# was using /scripts/pedquota to make the change.
print lh()->maketext( "The quota for the “[_1]” user is now [_2] MB ([_3] blocks).", $user, $quota, $quota_in_blocks ) . "\n";

########################################################################

# Invalidate the repquota.datastore file but leave it in case something
# does not care about the valitity period (ie account transfer getacctlist)
if ( -e '/var/cpanel/repquota.cache' ) {
    utime 0, 0, '/var/cpanel/repquota.cache';
}
if ( -e '/var/cpanel/repquota.datastore' ) {
    utime 0, 0, '/var/cpanel/repquota.datastore';
}

# Update quota file mtimes
$cpanel_quota_blocks->update_mtimes_to_clear_cache();

# Remove cached quota command result for user
my $cached_command = Cpanel::CachedCommand::Utils::_get_datastore_filename( '/usr/local/cpanel/bin/quota', $user );
unlink $cached_command if -e $cached_command;

Cpanel::Quota::OverCache::unset_user_at_blocks_quota($user);

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