code:

---

Break On
$FieldStart = 1,11,51,71
; Change $FieldStart to fit the length of fields in the returned fixed record
; ubound $FieldStart is allways 1 greater than ubound $Fields because:
;   Last value in $FieldStart is used to indicate the length of the last value in $Fields
;  (Last value - secondlast value equals lengts of last member of $Fields)
 
;Loop to read fields
$Fields = 'Field1','This is a very long field','This wil be truncated because it is longer than 20 chars 71 - 51'
$FixedRec = CrtRecord($Fields,$FieldStart)
; Write $FixedRec to new file
;End Loop to read fields
 
Function CrtRecord($Fields,$FieldStart)
   Dim $i,$L,$Field
   $CrtRecord = ''
   For $i = 0 To UBound($Fields)
      $L = $FieldStart[$i + 1] - $FieldStart[$i]
      $Field = Left($Fields[$i],$L) ; Truncate field if longer than allowed
      While Len($Field) < $L ; Expand field to fit fixed length
         $Field = $Field + ' '
      Loop
      $CrtRecord = $CrtRecord + $Field
   Next
EndFunction

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