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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;
}