This screen demonstrates the use of the "Concatenation of field(s)" option and how it may be used in joining together a number of fields (real or virtual) to form a virtual field after input from a file.
Using the idea of the chart of accounts example we will switch the real and the virtual fields around so we now have 3 "real" fields COMPNO (alpha length 2), DIVNUM (alpha length 2) and COSTCT (alpha length 4) and join them together to form the "virtual" field CHTACC (alpha length 8):
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