how to compare two files line by line?
조회 수: 4 (최근 30일)
이전 댓글 표시
I want to compare two files line by line and count how many lines they have in common , I tried the code below , but it doesn't work , somehow MATLAB stops working , ">>" just disappear
f = fopen('nv.txt','at');
fid = fopen('test.txt');
k = 0;
while ~feof(fid)
s1 = fgetl(fid);
if ~isempty(s1)
while ~feof(f)
s2 = fgetl(f);
if ~isempty(s2)
if(strcmp(s1,s2))
k = k+1;
end
end
end
end
end
fclose(fid);
fclose(f);
disp(k);
댓글 수: 1
Image Analyst
2016년 3월 12일
If the second line is missing in one of the files, (and the rest of the lines are just moved up one) then do you say that from line 2 on they are all different?
What if the lines are all there but in some different order?
채택된 답변
MHN
2016년 3월 12일
편집: MHN
2016년 3월 12일
f = fopen('nv.txt');
fid = fopen('test.txt');
k = 0;
while ~feof(fid)
s1 = fgetl(fid);
frewind(f) % start from the first line of the second file
if ~isempty(s1)
while ~feof(f)
s2 = fgetl(f);
if ~isempty(s2)
if(strcmp(s1,s2))
k = k+1;
end
end
end
end
end
fclose(fid);
fclose(f);
disp(k);
댓글 수: 3
MHN
2016년 3월 12일
Please use the "accepted answer" button. Are you sure? I run the program line by line and it compares every lines include the first one.
추가 답변 (2개)
r r
2021년 5월 11일
I have two files with similar data and I want to extract them into a file, and I also want to print the same line for the same data in the two files
Please help me
F1 = fopen('E.txt');
T1 = textscan(F1,'%s', 'delimiter', '\n');
fclose(F1);
F2 = fopen('G.txt');
tt2 = textscan(F2,'%s', 'delimiter', '\n');
fclose(F2);
T1s = char(T1{:});
T2s = char(T2{:});
[C,ix,ic] = intersect(T1s,T2s,'rows')
%%%%%%%%%%%%%%%%%%out Fiel :::
dlmwrite('R.txt',C,'%.6f');
댓글 수: 0
참고 항목
카테고리
Help Center 및 File Exchange에서 Graph and Network Algorithms에 대해 자세히 알아보기
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!