merge two files, first line from first file followed by first line from second file
5582
How to interleave the lines of two or more files?
106221
Remove extra header lines from file, except for the first line
86979
Insert text from file inline after matching pattern in another file
90242
How to insert the lines from a file into another file after a key word?
43994
How can I redirect matching lines to a file, and non-matching lines to a different file?
22590
How to insert text before the first line of a file?
111433
replace column of a csv file with column from another file
87627
Splitting a file into multiple files based on 1st column value
144100
How to merge two files in corresponding row?
13192
Replace lines in File with another string
68439
How do I "merge" two text files?
129661
Open existing file, append a single line
36663
How can I can insert the contents of a file into another file right before a specific line
137823
Awk: compare two files
106330
Merge files based on matching of first column
89775
split file lines based on first field
45385
Finding contents of one file in another file