Re^3: Add blank line between two consecutive lines starting with specified strings

I'm glad it works, and you're welcome. Do you understand why it works? We do not aspire to be a code-writing service. Evidence of effort on your part will beget effort on ours. Looking at your admittedly limited posting history ...

Give a man a fish: <%-{-{-{-<

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Re^4: Add blank line between two consecutive lines starting with specified strings by texuser (Novice) on Feb 10, 2018 at 09:59 UTC
I am grateful for the help I got here. I am new to this. Now that I have some working code I can study perl syntax to understand how to do things and not ask simple questions anymore. I have also found the perl oneliner site which is very useful. Thanks again.	[reply]
Re^5: Add blank line between two consecutive lines starting with specified strings by Marshall (Canon) on Feb 10, 2018 at 18:51 UTC
My advice is not be overly concerned about "one liners", especially if you are new to Perl. Some folks think that there is some huge execution efficiency by a "one liner". I believe that assumption to be false. You still have to fire up Perl itself and there is significant overhead with that. The extra overhead of reading some few lines from a .pl file makes no significant difference. Having an actual program file allows me to put some comments in there: who wrote it, when, what it does, what version of Perl it was tested on, perhaps a revision history... Many one liners can get pretty cryptic and that's a bad thing if you expect non-Perl'ers to use it. Writing tricky one liners is an art form unto itself. I am very skeptical that a beginner should start with that. Enjoy your Perl adventure!	[reply]