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Compare two files and remove any lines in the second file when they match values found in the first file

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Dear all,
I was wondering if there is a way in matlab to compare to files and remove the lines in file2 that match values in file1.
I used in the past visdiff to compare files, but I would like to understand if, using the same function, I can remove the lines that matches between the two files.
Some of you has some ideas to suggest?
Thanks to whoever help me.
Chiara

Accepted Answer

Stephen23
Stephen23 on 3 May 2024
lines1 = [1,2,3,4;2,4,6,7;2,5,7,8;6,7,4,6]
lines1 = 4x4
1 2 3 4 2 4 6 7 2 5 7 8 6 7 4 6
<mw-icon class=""></mw-icon>
<mw-icon class=""></mw-icon>
lines2 = [2,4,6,7;2,5,7,8]
lines2 = 2x4
2 4 6 7 2 5 7 8
<mw-icon class=""></mw-icon>
<mw-icon class=""></mw-icon>
out = setdiff(lines1,lines2,'rows')
out = 2x4
1 2 3 4 6 7 4 6
<mw-icon class=""></mw-icon>
<mw-icon class=""></mw-icon>

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