'use strict';
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var os = require('os');
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var bin = require('./bin');
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/**
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* Gets the list of all the pids of the system through the wmic command.
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* @param {Function} callback(err, list)
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*/
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function wmic(callback) {
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var args = ['PROCESS', 'get', 'ParentProcessId,ProcessId'];
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var options = {windowsHide: true, windowsVerbatimArguments: true};
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bin('wmic', args, options, function(err, stdout, code) {
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if (err) {
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callback(err);
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return;
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}
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if (code !== 0) {
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callback(new Error('pidtree wmic command exited with code ' + code));
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return;
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}
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// Example of stdout
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//
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// ParentProcessId ProcessId
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// 0 777
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try {
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stdout = stdout.split(os.EOL);
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var list = [];
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for (var i = 1; i < stdout.length; i++) {
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stdout[i] = stdout[i].trim();
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if (!stdout[i]) continue;
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stdout[i] = stdout[i].split(/\s+/);
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stdout[i][0] = parseInt(stdout[i][0], 10); // PPID
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stdout[i][1] = parseInt(stdout[i][1], 10); // PID
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list.push(stdout[i]);
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}
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callback(null, list);
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} catch (error) {
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callback(error);
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}
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});
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}
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module.exports = wmic;
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