$Setg: Difference between revisions
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<p>The $ | <p> | ||
<p>$ | The <var>$Setg</var> function performs two tasks. It attempts to create or change an entry in the global variable table and also informs the user if the operation was successful. <var>$Setg</var> returns a 1 (true) if the global variable was not stored due to lack of space. It returns a 0 (false) if the variable was successfully stored. </p> | ||
<p> | |||
<p>The following statement attempts to store a global variable with a name of GLOB and with a value equal to the character string returned from the $ | <var>$Setg</var> takes two arguments. The first argument contains the name of the global variable; the second argument contains the value. Previously stored variables with the same name are deleted first. </p> | ||
==Example== | |||
<p> | |||
The following statement attempts to store a global variable with a name of <code>GLOB</code> and with a value equal to the character string returned from the <var>$Read</var>. A message is to be printed if the operation was not successful. | |||
</p> | |||
<p class="code">IF $SETG('GLOB',$READ('ENTER GLOBAL VALUE')) THEN | <p class="code">IF $SETG('GLOB',$READ('ENTER GLOBAL VALUE')) THEN | ||
PRINT 'HELP' | PRINT 'HELP' | ||
END IF | END IF | ||
</p> | </p> | ||
<p>Refer to [[Global | |||
==See also== | |||
<p> | |||
Refer to [[Global features]] for a detailed explanation of global variables and examples of the <var>$Setg</var> function within a request. </p> | |||
[[Category:SOUL $functions]] | [[Category:SOUL $functions]] | ||
Latest revision as of 19:12, 7 August 2018
The $Setg function performs two tasks. It attempts to create or change an entry in the global variable table and also informs the user if the operation was successful. $Setg returns a 1 (true) if the global variable was not stored due to lack of space. It returns a 0 (false) if the variable was successfully stored.
$Setg takes two arguments. The first argument contains the name of the global variable; the second argument contains the value. Previously stored variables with the same name are deleted first.
Example
The following statement attempts to store a global variable with a name of GLOB and with a value equal to the character string returned from the $Read. A message is to be printed if the operation was not successful.
IF $SETG('GLOB',$READ('ENTER GLOBAL VALUE')) THEN PRINT 'HELP' END IF
See also
Refer to Global features for a detailed explanation of global variables and examples of the $Setg function within a request.