Finding duplicates with first 12 characters of each line
29659
How do I print all lines of a file with duplicate values in a certain column
51721
How to use awk to print nth column and remove duplicates?
100911
How to "grep" for line length in a given range?
34485
Finding common characters in two strings
27245
How to find (and delete) duplicate files
10788
Removing duplicates from a String in Java
147579
Split line into key-value pairs based on first string
110742
Splitting string by the first occurrence of a delimiter
66211
Removing elements that have consecutive duplicates
90779
awk, sed, or other text processing suggestions, please
97037
Find longest repeating string based on input in perl (using subroutines)
154354
What are efficient ways to find duplicates on trilogy sites?
32033
How can I detect common substrings in a list of strings
22055
How to find files containing two strings in different lines
54061
Removing duplicates in lists
652
How do you remove duplicates from a list whilst preserving order?
25857
Remove lines based on duplicates within one column without sort