JavaScript Commands for Common Operations (processData)

JavaScript Commands for Common Operations (processData)

Menu (TWedge V3) Device - Configure - Advanced - Script Editor - Edit Code in "processData"

Remove Carrige Return / Line Feed

sData = sData.replace(/\x0D\x0A/g, "");  // remove CR/LF

Remove leading whitespace

sData = sData.replace(/^\s+/, "");       // trim leading whitespace

Replace characters (via Hex Code)

sData = sData.replace(/\x2E/g, ",");     // replace . => ,

Remove character sequences

sData = sData.replace(/ d/, "");         // remove " d"

Parse a single value from a CSV sequence

// sample data: 200,    177.50,mm   ,01
if (sData.indexOf(',') > 0)
{
  sData = sData.split(',');
  sData = sData[1];  // take 2nd value
  sData = sData.replace(/^\s+/, "");       // trim leading whitespace
}
// result will be 177.50

Parse a numeric value from a fixed data format.

// extract weight from scale data format: [STX] 13400 kg S Gross[CR]
var myRegexp = /^[\x02]\s(\d{1,5})\skg S Gross[\r\n]/;
var match = myRegexp.exec(sData);
if (match && match.length >= 2)
  Print("Weight: " + match[1]); // first group value
else
  Print("Weight does not match data format: [STX] nnnnn kg S Gross[CR]");

Add a time delay

function onHotkey ()
{
  Print("onHotkey!");
  hInstance.Sleep (300); // wait 0.3 secs
  ...
}