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sys.spawn('foo.exe').stderr #44
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by
c-smile
GirkovArpa
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<html>
<head>
<title>Test</title>
<style>
plaintext { display:block; size:*; border:1dip solid;}
plaintext > text.stderr { background: pink; }
</style>
<script type="module">
import * as sys from '@sys';
import * as env from '@env';
import * as sciter from '@sciter';
const out = document.$("plaintext");
const EOL = env.PLATFORM == "Windows" ? "\r\n" : "\n";
var tracert;
async function pipeReader(pipe, name) {
try {
var cline = "";
reading: while(pipe) {
var text = await pipe.read();
text = sciter.decode(text);
while(text) {
var eolpos = text.indexOf(EOL);
if(eolpos < 0) { cline += text; continue reading; }
cline += text.substr(0, eolpos);
text = text.substr(eolpos + EOL.length);
out.append(<text class={name}>{ cline }</text>);
cline = "";
}
}
} catch(e) {
out.append(<text class="error">{ e.toString() }</text>);
}
}
document.on("click", "#exec", function() {
var cmd = env.PLATFORM == "Windows" ? "tracert" : "traceroute";
tracert = sys.spawn([cmd,"sciter.com"], { stdout:"pipe", stderr:"pipe"} );
pipeReader(tracert.stdout,"stdout");
pipeReader(tracert.stderr,"stderr");
});
</script>
</head>
<body>
<button #exec>Show trace route</button>
<plaintext></plaintext>
</body>
</html>Just in case, source of sys.spawn is here: https://github.com/saghul/txiki.js/blob/master/src/process.c There is no documentation for txiki unfortunately. I will start documenting all methods in Sciter.JS modules next week. |
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How does one go about reading from stderr?
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