# DIFF-LIST
Updated: 10/19/2020, 10:24:56 AM
Created: 10/19/2020, 10:24:56 AM
Last Updated By: Daniel Klein
Read Time: 1 minute(s)
# Description
Creates a list from two stored lists. The new list contains all the items in the first list less any like items from the second list. It takes the general form:
DIFF-LIST {DICT} File1 List1 TO {TargetList}
Less: {({DICT} File2} List2
1
2
2
where:
- List1 and List2 are the names of stored lists.
- File1 and File2 represent the files in which the lists are stored. If File2 is not specified then List2 is assumed to be in File1.
- TargetList is the name of the resultant list. If it is not specified then an active list is created otherwise it is written to file defined to hold stored lists.
# Example
File PROFILES holds the items LISTA and LISTB:
| LISTA | LISTB |
|---|---|
| Jennifer | Michelle |
| Carrie | Sheila |
| Michelle | Mary |
| Renee | Carrie |
| Maryanne | |
| Cindy |
The command:
DIFF-LIST PROFILES LISTA TO LISTV
Less:LISTB
1
2
2
generates a stored list called LISTV that contains the elements Jennifer, Renee, Maryanne and Cindy.
The command:
DIFF-LIST PROFILES LISTB
Less:(PROFILES LISTA
1
2
2
generates an active list that contains the elements Sheila and Mary.
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