| 1234567891011121314 | module.exports = { escape, unescape };function unescape(w) {    w = w.charAt(0) === '"'        ? w.replace(/^"|([^\\])"$/g, '$1')        : w.replace(/\\ /g, ' ');    return w.replace(/\\("|'|\$|`|\\)/g, '$1');}function escape(w) {    w = w.replace(/(["'$`\\])/g,'\\$1');    return w.match(/\s+/) ? `"${w}"` : w;}
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