const process = spawn(...);
process.stdout.setEncoding("utf8");
process.stdout.on("data", (data) => { console.log(data) }
生产
{
data: 'Result__<?xml version="1.0" encoding="utf-8"?>\r\n' +
'<?tgml 2.0?>\r\r\n' +
'\r\r\n' +
'<Tgml Height="400" Stretch="Uniform" Width="600">\r\r\n' +
' <Layer Stroke="None" Fill="#000000" Name="basic-shapes">\r\r\n' +
' <Group Id="main">\r\r\n' +
' <Line Stroke="#0000CC" StrokeWidth="5" X1="10" Y1="10" X2="100" Y2="200"/>\r\r\n' +
...
}
似乎每行都有一个额外的行尾。
什么是一个可靠的，只删除额外的行尾添加的读取，而不是任何行尾存在于原始文档？
摘要注释中的解释:
null
var data = 'Result__<?xml version="1.0" encoding="utf-8"?>\r\n' +
'<?tgml 2.0?>\r\r\n' +
'\r\r\n' +
'<Tgml Height="400" Stretch="Uniform" Width="600">\r\r\n' +
' <Layer Stroke="None" Fill="#000000" Name="basic-shapes">\r\r\n' +
' <Group Id="main">\r\r\n' +
' <Line Stroke="#0000CC" StrokeWidth="5" X1="10" Y1="10" X2="100" Y2="200"/>\r\r\n';
var prevIndex = 0;
var newData = "";
while(prevIndex != -1){ // until no new lines found.
nextN = data.indexOf('\n',prevIndex); // Find the index of the next new-lien in string
while(data[nextN]=='\n') nextN++; // Pass over adj. new lines
newData += data.slice(prevIndex,nextN-1); // copy the from the last index until current location, removing one '\n'
prevIndex = nextN; // hold current index for the next trim.
}
console.log(newData); // this is the new string.