I have a data file looks like:1 2 3 45678 910 1112 131415 16 1718 19 20 21I want to delete all the rows in which only the first column is full. so output should be :1 2 3 48 910 1112 1315 16 1718 19 20 21any suggestion ?
How to delete rows in which only the first column is full?
linux;text processing
$ grep -E '[0-9]..' c2.txt1 2 3 48 910 1112 1315 16 1718 19 20 21