function processStdin(opts, stylize, callback) {
    var leftover = '';  // Left-over partial line from last chunk.
    var stdin = process.stdin;
    stdin.resume();
    stdin.setEncoding('utf8');
    stdin.on('data', function (chunk) {
        var lines = chunk.split(/\r\n|\n/);
        var length = lines.length;
        if (length === 1) {
            leftover += lines[0];
            return;
        }

        if (length > 1) {
            handleLogLine(null, leftover + lines[0], opts, stylize);
        }
        leftover = lines.pop();
        length -= 1;
        for (var i = 1; i < length; i++) {
            handleLogLine(null, lines[i], opts, stylize);
        }
    });
    stdin.on('end', function () {
        if (leftover) {
            handleLogLine(null, leftover, opts, stylize);
            leftover = '';
        }
        callback();
    });
}
function processStdin(opts, stylize, callback) {
    var leftover = '';  
    var stdin = process.stdin;
    stdin.resume();
    stdin.setEncoding('utf8');
    stdin.on('data', function (chunk) {
        var lines = chunk.split(/\r\n|\n/);
        var length = lines.length;
        if (length === 1) {
            leftover += lines[0];
            return;
        }

        if (length > 1) {
            handleLogLine(null, leftover + lines[0], opts, stylize);
        }
        leftover = lines.pop();
        length -= 1;
        for (var i = 1; i < length; i++) {
            handleLogLine(null, lines[i], opts, stylize);
        }
    });
    stdin.on('end', function () {
        if (leftover) {
            handleLogLine(null, leftover, opts, stylize);
            leftover = '';
        }
        callback();
    });
}
function processStdin ( opts , stylize , callback ) { var leftover = '' ; // Left-over partial line from last chunk. var stdin = process . stdin ; stdin . resume ( ) ; stdin . setEncoding ( 'utf8' ) ; stdin . on ( 'data' , function ( chunk ) { var lines = chunk . split ( / \r\n|\n / ) ; var length = lines . length ; if ( length === 1 ) { leftover += lines [ 0 ] ; return ; } if ( length > 1 ) { handleLogLine ( null , leftover + lines [ 0 ] , opts , stylize ) ; } leftover = lines . pop ( ) ; length -= 1 ; for ( var i = 1 ; i < length ; i ++ ) { handleLogLine ( null , lines [ i ] , opts , stylize ) ; } } ) ; stdin . on ( 'end' , function ( ) { if ( leftover ) { handleLogLine ( null , leftover , opts , stylize ) ; leftover = '' ; } callback ( ) ; } ) ; }
Process all input from stdin.

@params opts {Object} Bunyan options object.
@param stylize {Function} Output stylize function to use.
@param callback {Function} `function ()`
Process all input from stdin .