Using if with char

4 次查看（过去 30 天）
Craig
Craig 2014-5-6
回答： Craig 2014-5-6
I have a string being read on a line by line basis which is working fine. Then I check for the $PSIMTPP string and subsequently store this as recordsraw. The string comes in a comma delimited format and I need to check for the third colum. If the third column is either a B C or M I need to store the string. There is another parts of the code that stores a log(loggedsets) but this is working so.
tpp = strfind(sample, '$PSIMTPP')
if tpp == 1
log(loggedsets).recordsraw(index).tpp = textscan(sample, '%s %s %s %s %n %s %s %n %n %n %n', 'delimiter',',');
if strcmp(log(loggedsets).recordsraw(index).tpp{:,3}, 'B')
log(loggedsets).recordsb(index).tpp = log(loggedsets).recordsraw(index).tpp
elseif strcmp(log(loggedsets).recordsraw(index).tpp{:,3}, 'C')
log(loggedsets).recordsc(index).tpp = log(loggedsets).recordsraw(index).tpp
elseif strcmp(log(loggedsets).recordsraw(index).tpp{:,3}, 'M')
log(loggedsets).recordsm(index).tpp = log(loggedsets).recordsraw(index).tpp
end
index = index + 1
end
When I run this code everything works fine and I create the vectors I need but with one small problem. So for example in the string I have I have one B followed by 200 M and 200 C. The program creats 400 recordsm and 400 recordsc which are half empty.
I know its something to do with the if ifelse loop populating empty fields but not sure how to ammend?
Any ideas?

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回答（1 个）

Craig
Craig 2014-5-6
Sorry just realized it was a result of incorrect indexing. I needed to create three seperate index for each possible input.
if tpp == 1
log(loggedsets).recordsraw(index).tpp = textscan(sample, '%s %s %s %s %n %s %s %n %n %n %n', 'delimiter',',');
if strcmp(log(loggedsets).recordsraw(index).tpp{:,3}, 'B')
log(loggedsets).recordsb(indexb).tpp = log(loggedsets).recordsraw(index).tpp
indexb = indexb +1
elseif strcmp(log(loggedsets).recordsraw(index).tpp{:,3}, 'C')
log(loggedsets).recordsc(indexc).tpp = log(loggedsets).recordsraw(index).tpp
indexc = indexc +1
elseif strcmp(log(loggedsets).recordsraw(index).tpp{:,3}, 'M')
log(loggedsets).recordsm(indexm).tpp = log(loggedsets).recordsraw(index).tpp
indexm = indexm +1
end
index = index + 1
end

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