127 lines
3.6 KiB
JavaScript
127 lines
3.6 KiB
JavaScript
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var path = require('path');
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var fs = require('fs');
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var common = require('./common');
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var glob = require('glob');
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var globPatternRecursive = path.sep + '**';
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common.register('ls', _ls, {
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cmdOptions: {
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'R': 'recursive',
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'A': 'all',
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'L': 'link',
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'a': 'all_deprecated',
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'd': 'directory',
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'l': 'long',
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},
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});
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//@
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//@ ### ls([options,] [path, ...])
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//@ ### ls([options,] path_array)
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//@ Available options:
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//@
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//@ + `-R`: recursive
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//@ + `-A`: all files (include files beginning with `.`, except for `.` and `..`)
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//@ + `-L`: follow symlinks
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//@ + `-d`: list directories themselves, not their contents
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//@ + `-l`: list objects representing each file, each with fields containing `ls
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//@ -l` output fields. See
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//@ [fs.Stats](https://nodejs.org/api/fs.html#fs_class_fs_stats)
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//@ for more info
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//@
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//@ Examples:
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//@
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//@ ```javascript
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//@ ls('projs/*.js');
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//@ ls('-R', '/users/me', '/tmp');
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//@ ls('-R', ['/users/me', '/tmp']); // same as above
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//@ ls('-l', 'file.txt'); // { name: 'file.txt', mode: 33188, nlink: 1, ...}
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//@ ```
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//@
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//@ Returns array of files in the given path, or in current directory if no path provided.
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function _ls(options, paths) {
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if (options.all_deprecated) {
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// We won't support the -a option as it's hard to image why it's useful
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// (it includes '.' and '..' in addition to '.*' files)
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// For backwards compatibility we'll dump a deprecated message and proceed as before
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common.log('ls: Option -a is deprecated. Use -A instead');
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options.all = true;
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}
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if (!paths) {
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paths = ['.'];
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} else {
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paths = [].slice.call(arguments, 1);
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}
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var list = [];
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function pushFile(abs, relName, stat) {
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if (process.platform === 'win32') {
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relName = relName.replace(/\\/g, '/');
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}
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if (options.long) {
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stat = stat || (options.link ? fs.statSync(abs) : fs.lstatSync(abs));
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list.push(addLsAttributes(relName, stat));
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} else {
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// list.push(path.relative(rel || '.', file));
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list.push(relName);
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}
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}
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paths.forEach(function (p) {
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var stat;
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try {
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stat = options.link ? fs.statSync(p) : fs.lstatSync(p);
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} catch (e) {
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common.error('no such file or directory: ' + p, 2, { continue: true });
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return;
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}
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// If the stat succeeded
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if (stat.isDirectory() && !options.directory) {
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if (options.recursive) {
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// use glob, because it's simple
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glob.sync(p + globPatternRecursive, { dot: options.all, follow: options.link })
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.forEach(function (item) {
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// Glob pattern returns the directory itself and needs to be filtered out.
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if (path.relative(p, item)) {
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pushFile(item, path.relative(p, item));
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}
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});
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} else if (options.all) {
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// use fs.readdirSync, because it's fast
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fs.readdirSync(p).forEach(function (item) {
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pushFile(path.join(p, item), item);
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});
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} else {
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// use fs.readdirSync and then filter out secret files
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fs.readdirSync(p).forEach(function (item) {
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if (item[0] !== '.') {
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pushFile(path.join(p, item), item);
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}
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});
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}
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} else {
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pushFile(p, p, stat);
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}
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});
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// Add methods, to make this more compatible with ShellStrings
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return list;
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}
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function addLsAttributes(pathName, stats) {
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// Note: this object will contain more information than .toString() returns
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stats.name = pathName;
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stats.toString = function () {
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// Return a string resembling unix's `ls -l` format
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return [this.mode, this.nlink, this.uid, this.gid, this.size, this.mtime, this.name].join(' ');
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};
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return stats;
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}
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module.exports = _ls;
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