• <GetStart>
  • CSPro User's Guide
    • The CSPro System
    • Data Dictionary Module
    • The CSPro Language
    • Data Entry Module
    • Batch Editing Applications
    • Tabulation Applications
    • Data Sources
    • CSPro Statements and Functions
      • Statement Format Symbols
      • Alphabetical List of Functions and Statements
      • List of Reserved Words
      • Deprecated Features
      • Declaration Statements
      • Symbol Functions
      • Item Functions
      • Array Object
      • Audio Object
      • Barcode and QR Codes
      • Case Object
      • Document Object
      • File Object
      • Freq Object
      • Geometry Object
      • HashMap Object
      • Image Object
      • List Object
        • List Statement
        • List.add Function
        • List.insert Function
        • List.seek Function
        • List.remove Function
        • List.removeDuplicates Function
        • List.removeIn Function
        • List.clear Function
        • List.length Function
        • List.show Function
        • List.sort Function
      • Map Object
      • Path
      • Pff Object
      • SystemApp Object
      • ValueSet Object
      • Program Control Statements
      • Assignment Statements
      • Data Entry Statements and Functions
      • Batch Edit Statements
      • Numeric Functions
      • String Functions
      • Multiple Occurrence Functions
      • General Functions
      • Date and Time Functions
      • External File Functions
      • Synchronization Functions
    • Templated Reporting System
    • HTML and JavaScript Integration
    • Action Invoker
    • Appendix
  • <CSEntry>
  • <CSBatch>
  • <CSTab>
  • <DataViewer>
  • <TextView>
  • <TblView>
  • <CSFreq>
  • <CSDeploy>
  • <CSPack>
  • <CSDiff>
  • <CSConcat>
  • <Excel2CSPro>
  • <CSExport>
  • <CSIndex>
  • <CSReFmt>
  • <CSSort>
  • <ParadataConcat>
  • <ParadataViewer>
  • <CSCode>
  • <CSDocument>
  • <CSView>
  • <CSWeb>

List.clear Function

Format
b = list_name.clear();
Description
The List.clear function removes all values from a List, setting the length to 0.
Return Value
The function returns a logical value of 1 (true). If the List is read-only, the function returns default.
Example
PROC GLOBAL

List possible_ages;

PROC AGE

    possible_ages.clear();

    do numeric counter = 1 while counter <= curocc()
        possible_ages.add(AGE);
    enddo;
See also: List Object, List.remove Function, List.removeDuplicates Function, List.removeIn Function