Common lines between two files
30337
Output the common lines (similarities) of two text files (the opposite of diff)?
3336
I want to search a pattern from one file in another
122404
Explain this perl code which displays common lines in 2 files
78854
Merging columns from two separate files
88863
Join two files with matching columns
156704
How to diff top lines of two files without intermediate file
75654
How could I compare two files and remove similar rows in them (bash script)
153536
number lines in a file
128116
How to find patterns across multiple lines using grep?
137786
How to remove the lines which appear on file B from another file A?
66393
compare two columns of different files and print if it matches
19262
Find lines from a file which are not present in another file
5664
How can I extract/change lines in a text file whose data are separated into fields?
117459
Emacs copy matching lines
26042
cat line X to line Y on a huge file
148417
How do i find out lines of a file that are not present in another file?
58443
Merge alternate lines from two files