PhabricatorFilesManagementCatWorkflow.php
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PhabricatorFilesManagementCatWorkflow.php
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			<?php

			final class PhabricatorFilesManagementCatWorkflow
			extends PhabricatorFilesManagementWorkflow {

			protected function didConstruct() {
			$this
			->setName('cat')
			->setSynopsis(pht('Print the contents of a file.'))
			->setArguments(
			array(
			array(
			'name' => 'begin',
			'param' => 'bytes',
			'help' => pht('Begin printing at a specific offset.'),
			),
			array(
			'name' => 'end',
			'param' => 'bytes',
			'help' => pht('End printing at a specific offset.'),
			),
			array(
			'name' => 'names',
			'wildcard' => true,
			),
			));
			}

			public function execute(PhutilArgumentParser $args) {
			$console = PhutilConsole::getConsole();

			$names = $args->getArg('names');
			if (count($names) > 1) {
			throw new PhutilArgumentUsageException(
			pht('Specify exactly one file to print, like "%s".', 'F123'));
			} else if (!$names) {
			throw new PhutilArgumentUsageException(
			pht('Specify a file to print, like "%s".', 'F123'));
			}

			$file = head($this->loadFilesWithNames($names));

			$begin = $args->getArg('begin');
			$end = $args->getArg('end');

			$iterator = $file->getFileDataIterator($begin, $end);
			foreach ($iterator as $data) {
			echo $data;
			}

			return 0;
			}

			}