Customizing the user environment

Using identifier variables

When using identifier variables in login script commands, observe the following conventions:

Identifier variables are used most often with commands such as IF...THEN, MAP, and WRITE. They can also be used with commands for which you can specify a path, such as COMSPEC.
Type the variable exactly as shown.
To use DOS environment variables as identifiers, enclose them in angle brackets.
Identifier variables can be placed within literal text strings in a WRITE statement. However, the identifier variable must be in uppercase letters and preceded by a percent sign. (Literal text is the text that is displayed on the screen, such as ``Sales report is due today''. Literal text must be enclosed in quotation marks.)

For example:

If user Smith logs in during the morning, both of the following lines display the same message on his screen (``Good morning, SMITH''):
```
WRITE "Good "; GREETING_TIME; ", "; LAST_NAME
WRITE "Good %GREETING_TIME, %LAST_NAME"
```
To use DOS environment variables as identifiers, enclose them in angle brackets. The following example uses the DOS environment variable ``path'':
```
   WRITE "my path is "%<path>
```
The text displayed on the screen is similar to this:
```
   my path is z:.;y:.;c:\WINDOWS
```