How to remove multiple newlines at EOF?
I have files that end in one or more newlines and should end in only one newline. How can I do that with Bash/Unix/GNU tools?
sed
Efficient way to print lines from a massive file using awk, sed, or something else?
If I had a plain-text file containing 8 million lines and I want to print out lines 4,000,010 to 4,000,000 to the screen, which would be more efficient: awk or sed? There is no pattern to the text, and unfortunately, a database isn’t an option. I know this isn’t ideal, I’m just curious on which … Read more
Convert rows to columns
I have a file that includes details about VMs running in a hypervisor. We run some command and redirect the output to a file. And the is data available in the below format.
Regex alternation/or operator (foo|bar) in GNU or BSD Sed
I cannot seem to make it work. GNU sed documentation says to escape the pipe, but that doesn’t work, nor does using a straight pipe without the escape. Adding parens makes no difference.
How to delete line if longer than XY?
How can i delete a line if it is longer than e.g.: 2048 chars?
How to get only filename using sed
How can I get only the filename using sed? I’ve this