37 lines
948 B
JavaScript
37 lines
948 B
JavaScript
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var fs = require('fs');
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var common = require('./common');
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//@
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//@ ### cd([dir])
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//@ Changes to directory `dir` for the duration of the script. Changes to home
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//@ directory if no argument is supplied.
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function _cd(options, dir) {
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if (!dir)
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dir = common.getUserHome();
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if (dir === '-') {
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if (!process.env.OLDPWD)
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common.error('could not find previous directory');
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else
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dir = process.env.OLDPWD;
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}
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try {
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var curDir = process.cwd();
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process.chdir(dir);
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process.env.OLDPWD = curDir;
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} catch (e) {
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// something went wrong, let's figure out the error
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var err;
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try {
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fs.statSync(dir); // if this succeeds, it must be some sort of file
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err = 'not a directory: ' + dir;
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} catch (e) {
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err = 'no such file or directory: ' + dir;
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}
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if (err) common.error(err);
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}
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return new common.ShellString('', common.state.error, common.state.errorCode);
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}
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module.exports = _cd;
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