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Error in extract_db (line 47) file_a = extractAft​er(char(fi​le_a), 0, strfind(char(file_a), '_')-2);

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'101_1.tif' '101_2.tif' '101_3.tif' '101_4.tif' '101_5.tif' '101_6.tif' '101_7.tif' '101_8.tif' '102_1.tif' '102_2.tif' '102_3.tif' '102_4.tif' '102_5.tif' '102_6.tif' '102_7.tif' '102_8.tif' '103_1.tif' '103_2.tif' '103_3.tif' '103_4.tif' '103_5.tif' '103_6.tif' '103_7.tif' '103_8.tif' '104_1.tif' '104_2.tif' '104_3.tif' '104_4.tif' '104_5.tif' '104_6.tif' '104_7.tif' '104_8.tif' '105_1.tif' '105_2.tif' '105_3.tif' '105_4.tif' '105_5.tif' '105_6.tif' '105_7.tif' '105_8.tif' '106_1.tif' '106_2.tif' '106_3.tif' '106_4.tif' '106_5.tif' '106_6.tif' '106_7.tif' '106_8.tif' '107_1.tif' '107_2.tif' '107_3.tif' '107_4.tif' '107_5.tif' '107_6.tif' '107_7.tif' '107_8.tif' '108_1.tif' '108_2.tif' '108_3.tif' '108_4.tif' '108_5.tif' '108_6.tif' '108_7.tif' '108_8.tif' '109_1.tif' '109_2.tif' '109_3.tif' '109_4.tif' '109_5.tif' '109_6.tif' '109_7.tif' '109_8.tif' '110_1.tif' '110_2.tif' '110_3.tif' '110_4.tif' '110_5.tif' '110_6.tif' '110_7.tif' '110_8.tif'
I have the Img names "101_1",
and I want to extract the substring
included between the underscore '_'.
Here I used,
file_a = extractAfter(char(file_a), 0, strfind(char(file_a), '_')-2);
but it produces error,
I want as output 102_1 and so on.
How can I do this? thanks

Accepted Answer

Walter Roberson
Walter Roberson on 21 Nov 2018
fileparts()
You do not indicate what the error is .I suspect you are using r2016a or earlier before extractAfter existed
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