Re-number a list when a new entry is inserted
I have a text file of numbered entries:
text-processing
Replace line M in file1 with line N in file2
Let M=3 and N=4. I want to replace line M in file1 with line N in file2. I can replace with a string using sed:
intersection of two files according to the first column
I have two files
in file A, there are sequence_numbers
in the other file B, there are many columns, and the first column is sequnce numbers,
I want to get a files with all the lines in the B with the sequence numbers which are in the A
how can I achieve this?
thanks
Sum values in 5th column that correspond to same field in 2nd column
Considering below file:
How do I trim leading and trailing whitespace from each line of some output?
I would like to remove all leading and trailing spaces and tabs from each line in an output.
Remove characters if they do not follow specified patterns
I want to clean up some files, and make make the way in which they are written more uniform.
Match two words that is on the same line
The command that I have prints out two of the lines whenever FW_6.0.0 is found, below is the code:
Delete the nth line from a matched string (which only occurs once in the file)
I have a question related to deletion of strings that appear at the n+2 position after the matched string which is at position n using awk for multiple files. I am able to print it using the command:
Print range of columns comma-separated, and the rest without comma-separation
I’m trying to figure this out.
Find records present in file 1 also in both file 2 and file 3
I have three files file1.txt, file2.txt, file3.txt and they are of same format.