Re: Passing " &> " shell-command string to shell

On 2013-10-29, AlmostSurely wrote:
> On Tuesday, October 29, 2013 2:15:56 AM UTC-4, Gary Johnson wrote:
> > On 2013-10-28, AlmostSurely wrote:
> > > Hi Gary, this is with Vim 7.4 with spf13, xterm-256color, on Ubuntu 13.10.
> > >
> > > I've been playing around with it and changing the function to:
> > > ==========================================
> > > function! Compile()
> > > :let cmd_string = "g++ -std=c++11 " . expand("%") . ' \&\> ' . expand("%:r") . ".log"
> > > :execute "!echo " . cmd_string
> > > :execute "!" . cmd_string
> > > endfunction
> > > ==========================================
> > >
> > > Produces output:
> > > ==========================================
> > > g++ -std=c++11 file.cpp &> file.log
> > >
> > > Press ENTER or type command to continue
> > > g++: error: &>: No such file or directory
> > > g++: error: file.log: No such file or directory
> > >
> > > shell returned 1
> > >
> > > Press ENTER or type command to continue
> > > ==========================================
> > >
> > > But using the function in the OP does not produce the &> file.log on my machine even... Any ideas?
> >
> > Quoting the &> as you did (\&\>) removes the special meaning of
> > those characters to the shell, so the shell passes them to g++ which
> > sees them as a file name. Also, without the &> redirection, the
> > shell also sees file.log as an argument to be passed to g++ and g++
> > can't find that file, either.
> >
> > If I remove that quoting from &> so that the :let command in that
> > function becomes
> >
> > :let cmd_string = "g++ -std=c++11 " . expand("%") . ' &> ' . expand("%:r") . ".log"
> >
> > then create an empty file.cpp, open it in vim, source the Compile()
> > function and execute
> >
> > :call Compile()
> >
> > I get an output of
> >
> > :!echo g++ -std=c++11 file.cpp &> file.log
> > :!g++ -std=c++11 file.cpp &> file.log
> >
> > shell returned 1
> >
> > Press ENTER or type command to continue
> >
> > and file.log contains
> >
> > cc1plus: error: unrecognized command line option "-std=c++11"
> >
> > (I must have an old version of gcc.) If I use the function from the
> > OP, with the added let, I get the same error message in file.log.
> >
> > Nothing is coming to mind as a reason for it behaving differently
> > for you. You mentioned that you use spf13. Have you tried your
> > function alone, without your ~/.vimrc or any plugins, that is,
> > started as
> >
> > vim -N -u NONE
> >
> > ?
> >
> > Regards,
> > Gary
>
> Good morning Gary. Yep, seems like it works when launched with,
>
> $ vim -u NONE file.cpp
>
> So the spf13's .vimrc seems to be conflicting somehow...
> Unfortunately though, it's 1100+ lines of code... Any ideas what
> kind of variables/commands I should investigate in the .vimrc?
> I'll start a bug report on Steve Francia's github
> (https://github.com/spf13/spf13-vim). Thanks!

Good Morning,

The first place I would look would be under

:options

in section 22, "executing external commands". You could look at

:help 'shell'

at the same time and compare the default values shown there for
'shell' and the other shell- options with the actual values shown on
the :options page.

If that doesn't reveal anything, I would start vim as

vim --noplugin

to see whether I should concentrate on my plugins or on my ~/.vimrc.
Then I would do a binary search or bisection of the plugin files or
~/.vimrc to find the offending file/line.

Sorry I can't think of anything less tedious.

Regards,
Gary

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