Matching the data in input vs output file
45455
sum pair of columns based on matching fields
112567
Comparing the contents of two directories
3393
bash merge files by matching columns
85460
comparing the first column of two files and printing the entire row of the second file if the first columns match
2558
Fast way of finding lines in one file that are not in another?
134283
Identify duplicate lines in a file without deleting them?
25617
A for-loop that compares two arrays looking for matching values
55578
Using a PatternTest versus a Condition for pattern matching
113020
using awk command to compare the two files and print all the columns then missing display as NA
137823
Awk: compare two files
36576
extract lines that match a list of words in another file
29659
How do I print all lines of a file with duplicate values in a certain column
148417
How do i find out lines of a file that are not present in another file?
70399
Comparing the contents of 2 excel files
85114
How to compare mp3, flac audio data in a file, ignoring header data (ID3 tag) etc.?
108544
How to compare two different files line by line in unix?
103743
Compare two similar directories and list differences between files