datetime expression of yesterday

I uses date-and-time expression in the filename and folder name in schedular jobs.

Is there any expression or substitution solution to express yesterday or last month?

Thanks

Dianbo

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rmurphy

BIRT offers BirtDateTime functions as a sub-category of BIRT Functions. This subcatetory allows you to perform functions such as date math functions.

The following will give you a date object that represents a date on month prior to the current date:
BirtDateTime.addMonth(new Date(), -1)

Rob

dianbo

<blockquote class='ipsBlockquote' data-author="rmurphy">BIRT offers BirtDateTime functions as a sub-category of BIRT Functions. This subcatetory allows you to perform functions such as date math functions. 
 
The following will give you a date object that represents a date on month prior to the current date: 
BirtDateTime.addMonth(new Date(), -1) 
 
Rob</blockquote>
 
Hi Rob, 
 
how to use it to define filename(such as {yyyy}_{mm}) when schedule report in iServer, Thanks. 
 
Dianbo

averma

Hi Dianbo: 
The date-and-time expressions can only be used to provide your desired formatting of date-and-time fields in the document output name. For your custom needs you would write an external application that would generate the output document name and provide it to the iServer (Express) through a web service call. Here are a couple of links that provides details on iServer (Express) web services: 
<a class='bbc_url' href='http://www.birt-exchange.org/wiki/Actuate_Information_Delivery_API/'>Actuate Information Delivery API - BIRT Wiki - BIRT Exchange</a> 
<a class='bbc_url' href='http://www.birt-exchange.org/documentation/Manuals10SP1/using-iserver-integration-tech.pdf'>http://www.birt-exchange.org/documentation/Manuals10SP1/using-iserver-integration-tech.pdf</a> 
 
Ashwini