Monday, October 28, 2013

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

On Monday, October 28, 2013 3:15:33 PM UTC-4, Gary Johnson wrote:
> On 2013-10-28, AlmostSurely wrote:
>
> > On Monday, October 28, 2013 2:06:11 PM UTC-4, AlmostSurely wrote:
>
> > > Consider the following function,
>
> > >
>
> > > function! Compile()
>
> > > :cmd_string = "g++ -std=c++11 " . expand("%") . " &> " . expand("%:r") . ".log"
>
> > > :execute "silent !" . cmd_string
>
> > > endfunction
>
> > >
>
> > > The simple goal is to compile with g++, writing any compiler output to a log file.
>
> > > I'm having trouble passing the " &> " term to the shell.
>
> > > Suppose % expands to file.cpp, then adding the line,
>
> > >
>
> > > :execute "!echo " . cmd_string
>
> > >
>
> > > Produces:
>
> > >
>
> > > g++ -std=c++11 file.cpp
>
> > >
>
> > > So the " &> " doesn't even make it to the shell. Any help is much appreciated.
>
>
>
> :execute "!echo " . cmd_string
>
>
>
> evaluates to
>
>
>
> :!echo g++ -std=c++11 file.cpp &> file.log
>
>
>
> which echoes "g++ -std=c++11 file.cpp" to file.log.
>
>
>
> I verified that result using Vim 7.4.52 started as "vim -N -u NONE
>
> file.cpp" on a system running Fedora 11.
>
>
>
> So it works as expected for me.
>
>
>
> Regards,
>
> Gary

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?

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