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Version: 3.1.X

Element <loop>

The <loop> element delimits the block of instructions that will be executed for every item processed by the parent <do> task.

For example, if the task is search, the <loop> block executes once for every record found. If the task is mfnrange, it executes for every record in the range.

Usage​

  • Allowed content: <call>, <cgitable>, <define>, <display>, <do>, <export>, <extract>, <field>, <file>, <flow>, <hl>, <label>, <list>, <parm>, <proc>, <return>, <trace>
  • Parent element: <do>

Syntax​

<do task="...">
    <loop>
        </loop>
</do>

Example​

Iterating through a search result:

<do task="search">
   <parm name="db">LIBRARY</parm>
   <parm name="expression">WATER</parm>
   
   <loop>
      <display><pft>mfn/</pft></display>
   </loop>
</do>