| Optional Parameters | - Select entire contents
 If checked, the target field or variable will be replaced by the result of this script step. 
- Target
 Specify the field or variable to receive the file data. 
- Start
 The starting character position or line. If negative, the position will be relative to the end of the file. 
- Amount
 The number of characters or lines to read. (Default is all or the remaining part of the file.) 
- Read Lines
 If checked, the Start and Amount parameters refer to the number of lines instead of characters.) 
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