Documentation Internal Variables

From RLIB

Internal Variables

• pageno - Current Page
• totpages - Total Pages
• value - "rval" of the "value" in a field. This is handy for formatting.
• lineno - Current Line Number
• detailcnt - Current Detail Row
• format - Format

RLIB internal variables are referenced by a "r.variablename" in RLIB xml.

Environment Variables

Environment variables are variable data that gets exported from the native programming language environment. In RLIB they are referenced as "m.variablename".

Example, PHP part:

    $myvar = 5;

Example, XML part:

    <field value="m.myvar" width="10" align="right"/>

In PHP global variables can be referenced. In C language, the shell environment variables can also be referenced.

Variable Variables

The third type of variable is defined within the XML <Variables> section. In RLIB they are referenced as "v.variablename".