2022.2

l
is empty:Thefirstspecifiedvalueisempty.Withthisoperator,thereisnosecond
value.
l
Invert condition:Invertstheresultofthecondition.Forinstance,is empty
becomesis not empty.
Condition step properties
AConditionstepisusedwhenthedataextractionmustbebasedonspecificcriteria.See"Condition
step"onpage253formoreinformation.
ThepropertiesofaConditionstepbecomevisibleintheSteppropertiespanewhentheConditionstep
isselectedontheStepspane.
Description
Thissubsectioniscollapsedbydefaultintheinterface,togivemorescreenspacetootherimportant
parts.
Name:Thenameofthestep.Thisnamewillbedisplayedontopofthestep'siconintheStepspane.
Comments:Thetextenteredherewillbedisplayedinthetooltipthatappearswhenhoveringoverthe
stepintheStepspane.
Rule tree
TheRule treesubsectiondisplaysthefullcombinationofrules(definedbelowunderCondition)asa
tree,whichgivesanoverviewofhowtheconditionsworktogetheraswellastheresultforeachofthese
conditionsforthecurrentrecordoriteration.
l
Torenamearule,doubleclickonitsnamefromtheRule treesubsection.
l
Tochangethewayrulesarecombined,right-click"AND".SelectORorXORinstead.XOR
meansoneortheother,butnotboth.(SeeXORonWikipedia.)
Condition
First,theCondition Listdisplaystheconditionsinlistform,insteadofthetreeformabove.Threebut-
tonsareavailablenexttothelist:
l
Add condition:Clicktoaddanewrule.Thiswillalwaysbranchthecurrentconditionasan
"AND"operator.
l
Delete condition:Deletethecurrentlyselectedcondition.
ConditionsaremadebycomparisonoftwooperandsusingaspecificOperator.
Note: BoththeLeftandRightoperandshavethesameproperties.
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