I’ve got a long line that I want to insert a space every 4 characters, on a single lone line of solid text to make it easier to read, what’s the simplest way to do this? also I should be able to input the line from a pipe. e.g.
Mail logs are incredibly difficult to read. How could I output a blank line between each line printed on the command line? For example, say I’m grep-ing the log. That way, multiple wrapped lines aren’t being confused.
I have a large .sql file full of SELECT statements that contain data I want to insert into my SQL Server database. I’m looking for how I could basically take the file’s contents, 100 lines at a time, and pass it to the commands I have set to do the rest.
Is there a simple way I can echo a file, skipping the first and last lines? I was looking at piping from head into tail, but for those it seems like I would have to know the total lines from the outset. I was also looking at split, but I don’t see a way to do it with that either.
Sometimes, I’m getting as an input tab separated list, which is not quite aligned, for instance
The commands below may takes minutes depends on the file size. Is there any more effient method?
I have a file which is having following content: zdk aaa b12 cdn dke kdn Input1: aaa and cdn Output 1: aaa b12 cdn Input 2: zdk and dke Output 2: zdk aaa b12 cdn dke I could use below commands to achieve: grep -a aaa -A2 file # Output 1 grep -a aaa -A4 … Read more
When using sed to replace strings in-place, is there a way to make it report the changes it does (without relying on a diff of old and new files)?
I have this input: