sed command to find lines which are not of specific size
49190
Remove line of exactly n characters
26517
Is there a tool to get the lines in one file that are not in another?
20005
How can I use sed to replace a multi-line string?
42244
Replace \n by a newline in sed portably
116985
grep for all the lines that doest not have a particular word
80204
How can I get a specific line from a file?
16874
Limit grep context to N characters on line
39116
sed : Ignore line starting whitespace for match
49286
modify specific column with sed or awk
74038
How do I grep for multiple patterns on multiple lines?
145151
Using sed with an integer variable
8388
With the Linux "cat" command, how do I show only certain lines by number
173
Multiline pattern match using sed, awk or grep
51501
sed find and replace between two tags with multi line
101842
How to find line with least characters
97707
Splitting file based on size, but make sure that it ends with newline
83564
How to grep lines which does not begin with "#" or ";"?