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//Copyright Chris Xiong 2019
//License: Expat (MIT)
module.exports={
mtime_cmp:function(a,b){return _mtime_cmp(a,b);}
};
const fs=require('fs');
/*Returns true when file b exists and has a mtime no earlier than file a,
*false otherwise.
*/
function _mtime_cmp(a,b)
{
const mtimea=fs.statSync(a).mtimeMs;
let mtimeb=0;
try{
mtimeb=fs.statSync(b).mtimeMs;
}catch(e){return false};
return mtimeb>=mtimea;
}
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