Find intersection of lines in two files
30337
Output the common lines (similarities) of two text files (the opposite of diff)?
60311
Compare two files: lines present in one, not in the other, by one column comparison
156704
How to diff top lines of two files without intermediate file
45385
Finding contents of one file in another file
78604
How to find basis of intersection of 2 vector spaces with given basis?
7657
Find pattern from one file listed in another
2518
TikZ: Intersection of two lines
89040
Common lines between two files
69593
Find files with matched whole lines from a file
19932
To compare column1 of two files
126584
Intersection of two splines
11271
find difference between two text files with one item per line
19262
Find lines from a file which are not present in another file
75293
Inner join on two text files
20432
Processing lines from one text file to another
79292
How to calculate the intersection of two planes?
142679
Compare 2 files and remove any lines in file2 when they match values found in file1