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What is a Variable?

What is a Variable?. One or more characters preceded by an “&” which, when executed, will be replaced by a saved character string. Example: &date. Kinds of Variables. Predefined &date, &tod User-defined &name. Predefined Variables. &date January 1, 2000 &day Monday &month August

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What is a Variable?

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  1. What is a Variable? • One or more characters preceded by an “&” which, when executed, will be replaced by a saved character string. • Example: &date

  2. Kinds of Variables • Predefined • &date, &tod • User-defined • &name

  3. Predefined Variables &date January 1, 2000 &day Monday &month August &year 2001 &time 2:30 pm &tod morning Say Good &tod, it is &time on &day, &date.

  4. Predefined Variables &e Emphasize &w Whisper &m Monotone &n Normal &ca Address context &ce E-mail context &r Reset speech tags say My zip is &ca 80401-1118. My phone # is 303/278-2244 Say Variables are &e way cool.

  5. Predefined Variables • &Response • Speech Recognition • Contains user’s response to your last Listen or ListenFor command

  6. User-defined Variables • Form on Tools menu • Assign in Script

  7. Script Command: Set • Format: • Set &varname=string • Examples: • Set &name=Tom • Set &place=Orlando • Set &greet=Good &tod, &name.

  8. Rules for Variable Names • Always begin with “&” • Alphanumeric characters • Case-sensitive • No spaces • No symbols except “_” (shift hyphen)

  9. Variable Form

  10. Variable Form

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