The following code provides a backwards output when inputted as first to last, so input is required to be in reverse. How can this be flipped/reversed?
EDITED on 2019-05-23_07:52:04
I'm trying to understand the ed DSL a little bit better because versions of it show up in other tools (e.g. sed, vim).
Using ed it is possible to print the next 4 lines using .,+4n where .,+4 is an ...
diffutils' manual says, in diff3 -A mine older yours
The ‘--show-all’ (‘-A’) option acts like the ‘-e’ option, except that it brackets conflicts, and it outputs all changes from older to yours, not ...
I have problem understanding /.*/ according to things written in books, this prints the entire line of the text. we know that. means any character, and * means zero or more occurrence of the preceding ...
Does it mean it understands latin only?
No, what am I doing wrong?...
I like using the traditional ex editor for simple command line operations, to re-arrange text within files. For example for a simple moving lines across in a file I would use something like
As far as I know, ed starts in command mode. Once I input i,a or c ed changes into input mode. So far it worked. Now I read that in order to switch from input mode into command mode one has to input ",...
When I open my .java file in vim, I could see a couple of lines prefixed with one / more ^I characters. It looks like tabs in Eclipse that has got converted into ^I.
I would like to replace a single ^...
I like using ed for small edits. Currently I just press the spacebar manually to indent blocks of code in ed. Is this how the authors of UNIX indented their code in ed? Or is there some shortcut they ...
The g option (e.g. s/pattern/replacement/g) for many tools that use regex-style pattern matching and the :g command in ed, ex, vi, and vim have pretty similar usage and meaning: match the given regex "...
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?
Example bad file:
Example corrected file: