Pattern search in a file,
7472
Linux tools to treat files as sets and perform set operations on them
20139
Find the pattern, What is the correct answer
120513
Algorithm to match one input file with given numbers of file
50542
Remove lines from file up to a pattern, unless the pattern doesn't exist
73908
How can I "merge" patterns in a single line?
154868
Find pattern and move
158360
How can I "grep" patterns across multiple lines?
31054
Recursively search a pattern/text only in the specified file name of a directory?
86948
How to compare two column of two file and print not matching pattern with awk
105605
Find each line matching a pattern but print only the line above it
63005
printing a block of text that matches a pattern
49331
How to loop over the lines of a file?
2971
Search for text files where two different words exist (any order, any line)
41151
Search and replace a line in a file in Python
55578
Using a PatternTest versus a Condition for pattern matching
136673
How to print file content only if the first line matches a certain pattern?
88828
Range of lines in file