Learning Pentaho Data Integration 8 CE - Third Edition

How and when you can use variables

Any time you see a red dollar sign by the side of a textbox, you may use a variable. Inside the textbox, you can mix variable names with static text, as you did in the last Job when you put the name of the new folder as ${Internal.Entry.Current.Directory}/${MY_FOLDER}. To see all the available variables, both predefined and user-defined, you have to position the cursor in the textbox and press Ctrl + spacebar. A full list will be displayed, so you can select the variable of your choice. If you place the mouse cursor over any of the variables for a second, the actual value of the variable will be shown, as in the following screenshot:

Listing the available variables

If you know the name of the variable, ...