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Inserting Current Date into Filename via Modelbuilder

JeffPickles

Is there a way to programmatically export a shapefile or feature class from Modelbuilder that has the current date in its filename?

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KevinHibma

Jeff,

I'm assuming you're on 10.
Check the toolbox I've attached. You dont need to script this.
You'll see its just a copy features and a Calc Value.
The Calc value has a python snippet to calc the date. The output of this is "outDate"

I've then used the inline variable %outDate% as the name of the featureclass.

I grabbed the snippet from:
http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#/Calculate_Field_examples/00170000004s000000/
Depending on how you write out

time.strftime("%d/%m/%Y")

(d/MM/yyyy etc etc), you can get different dates. Also remember the featureclass name cant start with a number.

date.zip

RyanStillman

I was googling how to do something similar and this little discussion eventually lead me to my solution.

It can be done by placing a Calculate Value Tool in your model and setting its expression to:

time.strftime("%Y%m%d")

The output value will be a date or time in the format you specify between the "s. This link has a nice table with helpful explanations about the different date and time formatting options and possible associated limitations or restrictions: 8.1. datetime - Basic date and time types - Python v2.7.8 documentation‌.

My example has the particular format(%Y%m%d) such that if the model were run on June 8, 2001, the output value from the tool would be the string '20010608'.

You can then rename the output value(green bubble) to ANYTHING and then elsewhere in your model you can reference that value by inserting %ANYTHING% into filenames or location dialogues throughout the rest of the model, just like other in-line variables.

I hope this helps you out, 3½ years late, or more likely, somebody else with the same question.

SaraBarnes

Thanks for posting Ryan Stillman‌ - your late reply helped me figure this out!

JulieScott-Ashe1

Thank you for posting this - it worked perfectly.

JasonHrubizna

Helped me too, thanks for posting!

WilliamJackson4

Odd, the example doesn't seem to work for me. I'm running 10.3.1. If I run in a python script it works fine but not so much in Model Builder where the variable is assigned a "1". Any suggestions?

Anonymous User

William, I was having the same issue but then I connected the output date (green bubble) as a precondition variable to the tools (yellow bubble) that I ran and it worked for me!

LindsayRaabe_FPCWA

I seem to be having similar issues. I was getting the "1" output but now I get the date but also keep getting errors about incorrect naming. Can anyone tell me what name is wrong? The original demo tool provided further up has the same issue!

curtvprice

I answered here https://community.esri.com/thread/204767-why-wont-my-date-variable-work

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