/**

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* @class elFinder command "extract"

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* Extract files from archive

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*

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* @author Dmitry (dio) Levashov

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**/

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elFinder.prototype.commands.extract = function() {

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"use strict";

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var self = this,

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fm = self.fm,

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mimes = [],

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filter = function(files) {

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var fres = true;

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return $.grep(files, function(file) {

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fres = fres && file.read && $.inArray(file.mime, mimes) !== -1 ? true : false;

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return fres;

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});

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};

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this.variants = [];

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this.disableOnSearch = true;

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// Update mimes list on open/reload

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fm.bind('open reload', function() {

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mimes = fm.option('archivers')['extract'] || [];

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if (fm.api > 2) {

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self.variants = [[{makedir: true}, fm.i18n('cmdmkdir')], [{}, fm.i18n('btnCwd')]];

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} else {

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self.variants = [[{}, fm.i18n('btnCwd')]];

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}

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self.change();

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});

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this.getstate = function(select) {

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var sel = this.files(select),

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cnt = sel.length,

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cwdHash, cwdChk;

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if (!cnt || filter(sel).length != cnt) {

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return -1;

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} else if (fm.searchStatus.state > 0) {

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cwdHash = this.fm.cwd().hash;

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$.each(sel, function(i, file) {

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cwdChk = (file.phash === cwdHash);

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return cwdChk;

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});

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return cwdChk? 0 : -1;

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} else {

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return this.fm.cwd().write? 0 : -1;

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}

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};

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this.exec = function(hashes, opts) {

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var files = this.files(hashes),

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dfrd = $.Deferred(),

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cnt = files.length,

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makedir = opts && opts.makedir ? 1 : 0,

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i, error,

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decision,

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overwriteAll = false,

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omitAll = false,

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mkdirAll = 0,

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siblings = fm.files(files[0].phash),

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names = [],

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map = {};

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$.each(siblings, function(id, file) {

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map[file.name] = file;

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names.push(file.name);

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});

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var decide = function(decision) {

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switch (decision) {

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case 'overwrite_all' :

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overwriteAll = true;

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break;

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case 'omit_all':

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omitAll = true;

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break;

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}

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};

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var unpack = function(file) {

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if (!(file.read && fm.file(file.phash).write)) {

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error = ['errExtract', file.name, 'errPerm'];

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fm.error(error);

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dfrd.reject(error);

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} else if ($.inArray(file.mime, mimes) === -1) {

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error = ['errExtract', file.name, 'errNoArchive'];

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fm.error(error);

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dfrd.reject(error);

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} else {

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fm.request({

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data:{cmd:'extract', target:file.hash, makedir:makedir},

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notify:{type:'extract', cnt:1},

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syncOnFail:true,

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navigate:{

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toast : makedir? {

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incwd : {msg: fm.i18n(['complete', fm.i18n('cmdextract')]), action: {cmd: 'open', msg: 'cmdopen'}},

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inbuffer : {msg: fm.i18n(['complete', fm.i18n('cmdextract')]), action: {cmd: 'open', msg: 'cmdopen'}}

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} : {

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inbuffer : {msg: fm.i18n(['complete', fm.i18n('cmdextract')])}

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}

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}

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})

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.fail(function (error) {

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if (dfrd.state() != 'rejected') {

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dfrd.reject(error);

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}

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})

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.done(function () {

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});

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}

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};

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var confirm = function(files, index) {

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var file = files[index],

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name = fm.splitFileExtention(file.name)[0],

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existed = ($.inArray(name, names) >= 0),

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next = function(){

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if((index+1) < cnt) {

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confirm(files, index+1);

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} else {

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dfrd.resolve();

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}

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};

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if (!makedir && existed && map[name].mime != 'directory') {

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fm.confirm(

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{

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title : fm.i18n('ntfextract'),

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text : ['errExists', name, 'confirmRepl'],

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accept:{

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label : 'btnYes',

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callback:function (all) {

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decision = all ? 'overwrite_all' : 'overwrite';

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decide(decision);

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if(!overwriteAll && !omitAll) {

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if('overwrite' == decision) {

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unpack(file);

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}

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if((index+1) < cnt) {

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confirm(files, index+1);

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} else {

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dfrd.resolve();

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}

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} else if(overwriteAll) {

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for (i = index; i < cnt; i++) {

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unpack(files[i]);

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}

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dfrd.resolve();

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}

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}

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},

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reject : {

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label : 'btnNo',

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callback:function (all) {

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decision = all ? 'omit_all' : 'omit';

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decide(decision);

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if(!overwriteAll && !omitAll && (index+1) < cnt) {

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confirm(files, index+1);

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} else if (omitAll) {

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dfrd.resolve();

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}

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}

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},

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cancel : {

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label : 'btnCancel',

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callback:function () {

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dfrd.resolve();

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}

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},

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all : ((index+1) < cnt)

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}

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);

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} else if (!makedir) {

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if (mkdirAll == 0) {

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fm.confirm({

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title : fm.i18n('cmdextract'),

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text : [fm.i18n('cmdextract')+' "'+file.name+'"', 'confirmRepl'],

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accept:{

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label : 'btnYes',

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callback:function (all) {

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all && (mkdirAll = 1);

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unpack(file);

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next();

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}

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},

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reject : {

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label : 'btnNo',

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callback:function (all) {

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all && (mkdirAll = -1);

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next();

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}

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},

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cancel : {

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label : 'btnCancel',

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callback:function () {

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dfrd.resolve();

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}

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},

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all : ((index+1) < cnt)

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});

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} else {

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(mkdirAll > 0) && unpack(file);

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next();

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}

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} else {

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unpack(file);

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next();

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}

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};

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if (!(this.enabled() && cnt && mimes.length)) {

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return dfrd.reject();

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}

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if(cnt > 0) {

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confirm(files, 0);

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}

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return dfrd;

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};

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};

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