Special variables: Difference between revisions

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* '''SIGL'''       [the source line number that did the transfer of control.]
* '''SIGL'''       [the source line number that did the transfer of control.]


Each of the above may be used as regular REXX variables, they aren't reserved keywords or
Each of the above may be used as regular REXX variables, they aren't reserved keywords or reserved variable names.
⚫
<br>Because REXX may define any of these variables during execution of the REXX program, it isn't recommended that they be used as regular REXX variables.
reserved variable names.
⚫
<br>Because REXX may define any of these variables, it isn't recommended that they be used as regular REXX variables.


Initially, the above three special variables aren't defined (until the appropriate action for their use has been performed).
Initially, the above three special variables aren't defined (until the appropriate action for their use has been performed).
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In each case, the variable names may be in lower/upper/mixed case.
In each case, the variable names may be in lower/upper/mixed case.
<br><br>The scope of the special variables is LOCAL.
<lang rexx>/*REXX program to demonstrate REXX special variables: RC, RESULT, SIGL. */
<lang rexx>/*REXX program to demonstrate REXX special variables: RC, RESULT, SIGL. */
/*line two. */
/*line two. */
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