moving a value under a certain value

A have a structure with a cell aray called textdata. The cells in column 2 are filled with the words abc or efg. In the case a cell of this column contains efg, I like to replace the value from column 3 (same row) with the value of column 4. How can I do that? Thank you

[KSSV]

Attach your data..

[Erik Verdijk]

I made an example in excel.

[Erik Verdijk]

Can someone help me please? dónt want´to be rude.

[KSSV]

Attach the excel sheet...not image snippet....

[Walter Roberson]

How are you reading it in? Are you looking at the raw data?

[Erik Verdijk]

Excel file format is not allowed

[Walter Roberson]

zip the file and attach the zip

[Erik Verdijk]

 The data

Answer 1

[Walter Roberson]

mask = strcmp(raw(:,2), 'efg');
raw(mask, 3) = raw(mask, 4);