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// Given an array of arguments like:
// [ '--vwidth=800','--vheight=600','--cliprect=0,0,800,600' ]
// return an object like:
// { vwidth: '800', vheight: '600', cliprect: '0,0,800,600' }
exports.parseArgs = function(args) {
opts = {};
args.forEach(function(arg) {
arg = arg.replace(/^--/, "");
var eq_idx = arg.indexOf("=");
var argname = arg.substring(0, eq_idx);
var argvalue = arg.substring(eq_idx + 1);
opts[argname] = argvalue;
});
return opts;
};
// Copy properties from object b that are not defined in object a into object a.
exports.fillMissing = function(a, b) {
for (var i in b) {
if (b.hasOwnProperty(i) && !a.hasOwnProperty(i))
a[i] = b[i];
}
return a;
};
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