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Rename substring in table

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Luca Re
Luca Re 2023-9-28
评论： Luca Re 2023-9-30
this is a table with field "Name"
i want to search if name exit in table
example:
name=Preset1
name exist in table ? yes
Then i rename "Preset1" in Preset1_1;
If Preset1_1 exist in table i rename in Preset1_2 ...if exist i rename in Preset1_3..(I add a number following the "_")

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Walter Roberson
Walter Roberson 2023-9-28
编辑：Walter Roberson 2023-9-28
As a utility, see matlab.lang.makeUniqueStrings -- which already happens to append an underscore and a number. So if you were to make unique strings of name with respect to the existing entries in the Name field...
mask = YourTable.Name == string(name);
if any(mask)
newname = matlab.lang.makeUniqueStrings(name, YourTable.Name);
YourTable.Name(mask) = newname;
end
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Walter Roberson
Walter Roberson 2023-9-30
I am still stuck on the question of whether LoadPreset_Struct(pr) can return a struct that has a numeric value in the Name field ?
If so then
[~,Preset.Name,~]=fileparts(Preset.Name);
would fail with an error message. It would only succeed if the Name field was character vector or cell array of character vector or string array.
Luca Re
Luca Re 2023-9-30
Preset is a struct but Preset.Name is a string
whos Preset.Name
Preset =
struct with fields:
Name: "Preset3_1"
....

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