How to extract Unix timestamp from tag read?

Ignition
1

Hi everyone,

How can I get the unix timstamp out of this return from a system.tag.read command?

## Call
path = system.tag.read("[]MyTagPath")
print path

## Return
[1737.9868, Good, Sat Jun 18 16:56:10 CDT 2022 (1655589370000)]

## Preferred Return
1655589370000

system.tag.read().timestamp gives me the ordinary date time format and I’m struggling to convert it to unix in the script console.

Thank you,

2

Try this in the Script Console.

path = system.tag.read("[]MyTagPath")
print type(path)
print path.getValue()
print path.getTimestamp()
print system.date.toMillis(path.getTimestamp())

You can read more about the data type here:
http://files.inductiveautomation.com/sdk/javadoc/ignition80/8.0.0-beta/com/inductiveautomation/ignition/common/model/values/BasicQualifiedValue.html

Someone else may have a more terse solution.

1 Like
3

The timestamp you get from a QualifiedValue is a java.util.Date, on which you can call getTime().

2 Likes
4

Thank you both! For others, here is an example of the result.

## Call
reading_time = system.tag.read("[]MyTagPath")
print reading_time.timestamp.getTime() / 1000

## Result
1655643395