On 09/09/2013 14:35, Nikolay Pavlov wrote:
On Sep 9, 2013 4:30 PM, "Mike Williams" <[email protected]>
wrote:

On 09/09/2013 12:47, ZyX wrote:

I had tried calls to escape(..., '\') and that made no difference.
Changing the test

         if l:d !~ "^\V" . s:dir1

makes no difference.


It makes difference with some specific directory names. “Specific”
includes dots in directory name.


My bad again.  On Windows fnamemodify(..., ':p') appears to normalise the
given path to remove things like .. and . whereas on unix it doesn't.  I
was hoping to rely on normalisation being done for me.

I hate Mondays. No it is working on unix - I had an extra character in a directory which resulted in the path being left as is which confused me.

There is simplify() function for this.  I personally used to hold most data
in directory named literally "*.*" (due to too many dotdirs in $HOME).
Three meta-characters! Now it got renamed to a.a.

Thanks - I had missed simplify() and that has pinged me to resolve() as well.

There are also normpath and realpath functions in my frawor framework, in
autoload/frawor/os.vim and plugin/frawor.vim. They also resolve all
symlinks:

https://bitbucket.org/ZyX_I/frawor/src/bd41cfedd93dbf18b134be8e967d56c36315914b/plugin/frawor.vim#cl-272and
line 283 below;
https://bitbucket.org/ZyX_I/frawor/src/bd41cfedd93dbf18b134be8e967d56c36315914b/autoload/frawor/os.vim#cl-58and
line 125.

First one is used to be sure that directories are the same thus doing
aggressive normalization, second are library functions.

Looks real useful - I will have read around the framework for more inspiration.

Cheers.



If I substitute all back slashes for forward slashes then it works as I
expect.  So basically I tripped and fallen into backslash hell, again.

b) you do not need regular expressions at all, use l:d[:len(s:dir1)-1]
is#
s:dir1 (use is? for windows).


Which does work (toss up between using is# and ==# in this case) -
thanks :-)


“A is# b” is like “type(A) == type(b) && A ==# b”. I just use it always
for string comparison because I constantly use zero as a substitution for
python None (e.g. as a default value) and “"abc" == 0” is true because if
one of the “==” operands is a number another operand is also coerced to a
number. Using “#” and “?” is a good habit because it is bad idea to rely on
user settings.

Note that I use is# here not because I expect number as one of the
operands *here*. I use it because it is string comparison and in some
*other* string comparisons I write numbers are expected.


Thanks for the explanation - this is my first deep dive in VIML to do
something more than solve an immediate issue.  Reading around some of the
larger plugins and some blogs I get the interesting aroma of python and
javascript idioms being used, so I expect more confusion as I move on until
things start to sink in deep.


Mike
--
Old enough to know better, but young enough to not care.



Mike
--
Old enough to know better, but young enough to not care.

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