replace lines with lines from another text file by matching patterns
36663
How can I can insert the contents of a file into another file right before a specific line
5582
How to interleave the lines of two or more files?
3393
bash merge files by matching columns
112963
Replace pattern each time with a different string (taken from external file)
125837
Select lines from text file which have ids listed in another file
89040
Common lines between two files
3662
How can I replace a string in a file(s)?
149956
Adapting "Find and Replace" functionality to work with Patterns
88863
Join two files with matching columns
43396
Modify the content of specific line in text file
155976
How to join a line with a pattern with the next line with sed?
86827
Replace strings in a file based on a list of strings and a list of corresponding replacements
33180
How can I merge files on a line by line basis?
73908
How can I "merge" patterns in a single line?
100478
How can I exclude the lines which matche the range patterns in sed?
112581
Replacing pattern after nth match is found on each line?
124497
remove lines that contain a specific text in a file