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Good start for reading IFS files
http://www.scottklement.com/rpg/ifs.html
How do I tell when a field ends?
- Application dependent. Some people use tabs, some use commas, some use
fixed field layouts, some even use some special character.
How do I tell when a record ends?
- Commonly this is done by character return and/or line feed. This should
be covered in the tutorial. Sometimes a fixed length is expected.
How do I test the data in the PC field for NULL?
- By an absence of value. For example, if your field delimiters were tabs
then
tab tab with nothing between indicates null. However tab blank tab
indicates a 1 character field with
Rob Berendt
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