Re: open file, go to last line, add blank line, change to insert

On Sunday, May 31, 2015 at 12:57:51 PM UTC-5, ZyX wrote:
> 2015-05-30 23:21 GMT+03:00 Rick Dooling
> > Hello,
> >
> > I frequently want to open a text file, go to the last line, open the fold, add one or two blank lines and begin writing.
> >
> > I'm trying to make an alias for vim that does this. Something like:
> >
> > alias note="gvim -c $ +foldo +put='' +star /Users/name/Notes/notes.md"
> >
> > Everything works except the attempt to put a blank line. No matter what I try: :pu='' :$pu=' _' etc it will not add blank lines for me.
>
> You need to learn how shell processes arguments
>
> `+pu=''` does not work because it is `+pu=`. Dunno why it does not
> give an error, but it is "put empty expression", not "put expressin
> that evaluates to an empty string".
>
> +$pu=' _' is `+= _` (actually, `+${pu}= _`, but I do not think you
> have variable named pu defined in shell; undefined variables expand to
> an empty string). Should give E488 because `=` command does not accept
> _ as an argument.
>
> @TimChase advice avoids escaping issues by creating a string that does
> not need to be escaped. But this is not always possible and if you
> want to know how to fix such issues check out advanced bash scripting
> guide. Quoting is described in
> http://www.tldp.org/LDP/abs/html/quoting.html.
>
> Note about aliases: `alias note={some string}` means "when 'note'
> appears to be a non-escaped separate command substitute 'note' with
> '{some string}'". {Some string} is also subject to various
> expansions/quote removals once at the time alias is being defined so
> you need to quote it so that the result of these expansions is itself
> properly quoted.
>
> >
> > Thanks for any help.
> >
> > Rick
> >
> > --
> > --
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> >
> > ---
> >

Thanks for the info. It is the type of thing I learn and then forget. Usually I am inside Vim. But this info very helpful.

Rick

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