Ulp.txt Site

Despite new contenders (CBOR, Protocol Buffers), the ubiquity of cat , echo , and nano on any terminal guarantees that ULP.txt will not disappear anytime soon. Its power is its transparency.

void parseULP() File file = SD.open("ULP.txt"); while(file.available()) String line = file.readStringUntil('\n'); if(line.startsWith("#")) continue; int sep = line.indexOf('='); if(sep > 0) String key = line.substring(0, sep); String val = line.substring(sep+1); key.trim(); val.trim(); if(key == "target_temp_c") targetTemp = val.toFloat(); // ... other assignments ULP.txt

The Arduino sketch reads this file using a simple parseULP() function: other assignments The Arduino sketch reads this file

user: john_doe upload_limit = 2Mbps download_limit = 10Mbps session_timeout = 3600 vlan_id = 101 2011.03.11: Tōhoku. Structural integrity compromise.

The file contained a list. It wasn't code or coordinates; it was a chronological log of "Universal Leak Points." 1908.06.30: Podkamennaya Tunguska. Pressure valve failure. 2011.03.11: Tōhoku. Structural integrity compromise.