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title	We need to modify the matching algorithm - what do we start with?

The file reader component is deliberately simple and uses /wiki/spaces/IXB/pages/3181903910 to make it more obvious how to modify the code to meet new needs. So this is what we are starting off with. We need this function to return true when the matching criteria are met.

https://bitbucket.org/interfaceware/fromfile/src/main/MatchRules.lua

Code Block
function MatchFile(FileName) return true end

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title	Let's extract the filename so we can look at it:

Change the matching to add in two lines:

Code Block
function MatchFile(FileName) local JustFileName = FILfilename(FileName) trace(JustFileName); return true; end

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title	Start the new MatchFile logic with getting the list of prefixes and removing white space

We’ll apply /wiki/spaces/IXB/pages/3181903910 and write this as a function:

Code Block

function APPidList()
   local IdList = component.fields()["ClientList"]
   IdList = IdList:split(",")
   for i = 1, #IdList do
      IdList[i] = IdList[i]:trimWS()
   end
   return IdList
end

function MatchFile(FileName)
   local IdList = APPidList();
   return true
end

These are the concepts we have used:

Writing a function
Using APP as a prefix, see Using prefixes for naming code
Custom Fields
String:split()
Iterating through a Lua table as list
Trimming white space

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New Version 13

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