[colug-432] Tutorials

[Steve VanSlyck]

Thanks, guys.

This one is about ed, but caught my eye
http://wiki.bash-hackers.org/howto/edit-ed .

On Thu, May 14, 2015, at 14:51, Scott Merrill wrote:
> 
> > On May 14, 2015, at 2:45 PM, Steve VanSlyck <s.vanslyck at postpro.net> wrote:
> > 
> > I have a file,
> > 
> > /path/to/file_config
> > 
> > which is X lines long and one of the lines, location unknown, says,
> > 
> > Setting=No
> > 
> > What I want to do is write a simple bash script that will open that file, locate that line, change it to a comment, and then insert another line below it, with the end result looking like this:
> > 
> > # Setting=No
> > Setting=Yes
> > 
> > Imagine I am your willing but unlettered intern. You're willing to teach me but would prefer, obviously, that I teach myself. Always better that way.
> > 
> > Is there a tutorial that you would recommend?
> > 
> 
> The script you’re looking to create is already written.  It’s a tool
> called sed.  sed is the “stream editor”.  You can pipe files into it, and
> it can spit out edited versions based on commands you define.
> 
> sed is very  powerful.  The man page is likely not of particular help to
> you as you get started learning it.  Instead, I’d consult your favorite
> search engine for “sed tutorial” or similar, and work through a few of
> them.
> 
> Another useful tool is awk.  awk is also powerful, but can feel like an
> arcane spell at times.
> 
> Take your time learning both of these tools.  They’ll become
> indispensable for you as you grow more and more familiar with Linux!
> 
> Cheers,
> Scott
> 
> 
> 
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