CombineTxt is a fluent .NET API for joining child files to a parent file.
- Join multiple files to a single parent file.
- Support for multi-line records in parent and child files.
- Customized key functions for each file.
- Optionally take action on unmatched child records.
- Optionally format each line before joining.
A|1000|Acura|1990
B|1|Sub Record Information
A|1001|Nissan|1990
B|2|Sub Record Information
A|1002|Ford|1990
B|3|Sub Record Information
A|1003|Toyota|1990
B|4|Sub Record Information
C|1000|TSX
C|1000|TS
C|1000|MDX
C|1001|Maxima
C|1001|Pathfinder
C|1002|Focus
CombineTxt.With("ParentFile.txt")
.DefineKeyBy(l => l.Split('|')[1])
.RecordDelimitedByStartingWith("A")
.JoinTo("ChildFile1.txt")
.DefineKeyBy(l => l.Split('|')[1])
.WriteResultTo("Output1.txt");A|1000|Acura|1990
B|1|Sub Record Information
C|1000|TSX
C|1000|TS
C|1000|MDX
A|1001|Nissan|1990
B|2|Sub Record Information
C|1001|Maxima
C|1001|Pathfinder
A|1002|Ford|1990
B|3|Sub Record Information
C|1002|Focus
A|1003|Toyota|1990
B|4|Sub Record Information