Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

"EDirect Office Hours -- April 2018: Variables in xtract" (April 25, 2018)
Handouts, slides, script, sample code and links referenced in this class are available on the Class Materials page.

Last Reviewed: November 12, 2019